1981 GMC Brigadier Engine Parts
Find Your Specific 1981 GMC Brigadier Engine Parts
Below you will find various in-demand GMC Engine Parts, components and accessories for your 1981 Brigadier. Advance Auto Parts has popular Brigadier parts like Engine Blocks, Camshafts, Oil Pumps and more. You’ll also find aftermarket and OEM Engine Parts for other Brigadier model years. Select a category of 1981 GMC Brigadier Engine Parts below and start saving instantly.
Popular 1981 GMC Brigadier Engine Parts Categories
Essential Engine Parts for 1981 GMC Brigadiers
Melling Select Performance – High Performance High Volume Cast Iron Oil Pump (Part No.10770)
from
$188.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M-77HV. 25% Increase in volume over stock pump. The housing and cover are CNC machined and phosphate coated. The lower pressure spring is included to reduce pressure if desired. Built with billet steel gears. Includes Intermediate shaft with steel guide. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.
Product Features:
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Product Features:
- 25% Higher Volume High Performance upgrade of the M-77HV
- CNC machined phosphate coated cast iron housing and cover
- Standard billet steel spur gears
- Includes chrome moly steel intermediate drive shaft with steel guide
- includes lower pressure spring; not installed
- uses 3/4 inch diameter press-fit screen
Melling Select Performance – High Performance Standard Volume Cast Iron Oil Pump (Part No.10778)
from
$230.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the 10770. Increase in volume of 25% over stock oil pump. The drive shaft has been man
Product Features:
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Product Features:
- 25% Higher volume anti-cavitation high performance upgrade of the 10770
- CNC machined phosphate coated cast iron housing and cover
- Cover has extended idler shafts for additional support at high RPM’s
- Standard billet steel spur gears
- Adjustable pressure relief valve
- Includes lower pressure spring; not installed
- Includes chrome moly steel intermediate drive shaft with steel guide
- Uses 3/4 inch diameter press-fit screen
Competition Cams – Magnum 224/224 Hydraulic Roller Cam (Part No.11-430-8)
from
$549.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam (Part No.11-238-3)
from
$259.99
HYDRAULIC – Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.
Product Features:
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Product Features:
- HYDRAULIC – Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.
- 262/270 Advertised Duration, 218/224 Duration @ .050″, .504″/.510″ Lift, 110 Lobe Separation
- Valve spring upgrade required
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 224/224 Hydraulic Flat Cam (Part No.11-207-3)
from
$259.99
HYDRAULIC – Magnum: Good for daily driven street machine, works with stock converter, likes headers. 396 needs 3.55-3.73 gear and 1800+ stall. Slight rough idle.
Product Features:
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Product Features:
- HYDRAULIC – Magnum: Good for daily driven street machine, works with stock converter, likes headers. 396 needs 3.55-3.73 gear and 1800+ stall. Slight rough idle.
- 270/270 Advertised Duration, 224/224 Duration @ .050″, .510″/.510″ Lift, 110 Lobe Separation
- Valve spring upgrade required
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Xtreme Energy 236/242 Hydraulic Roller Cam (Part No.11-433-8)
from
$549.99
HYDRAULIC ROLLER – Xtreme Energy Retro-Fit: Street/strip applications, works well in large c.i. street machine with 2500+ stall.
Product Features:
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Product Features:
- HYDRAULIC ROLLER – Xtreme Energy Retro-Fit: Street/strip applications, works well in large c.i. street machine with 2500+ stall.
- 288/294 Advertised Duration, 236/242 Duration @ .050″, .521″/.540″ Lift, 110 Lobe Separation
- Valve spring upgrade required
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 218/224 Hydraulic Roller Cam (Part No.11-422-8)
from
$549.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 244/244 Hydraulic Roller Cam (Part No.11-460-8)
from
$549.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)
from
$113.99
Product Features:
See More
- Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
- High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
- Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
- Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up
Melling – Stock Replacement Engine Assembly Lubricant, 4 oz. (Part No.M-10012)
from
$6.99
Product Features:
See More
- Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
- High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
- Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
- Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up
Melling – Engine Oil Priming Tool (Part No.MPL-201)
from
$355.99
Made In USA. Melling Engine Oil Priming Tank was developed as a way for engine builders to safely pre-prime the engine with oil prior to initial engine startup. The priming tank, when filled with clean oil and air pressure pumps oil into all of the critical areas of the new engine quickly and safely.
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Competition Cams – Xtreme Energy 236/242 Hydraulic Roller Cam K-Kit (Part No.K11-433-8)
from
$1545.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 253/253 Hydraulic Flat Cam K-Kit (Part No.K11-214-4)
from
$678.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Magnum 224/224 Hydraulic Roller Cam and Lifter Kit (Part No.CL11-430-8)
from
$1166.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit (Part No.CL11-602-8)
from
$1166.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
Product Features:
See More
Product Features:
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – Magnum 230/230 Hydraulic Flat Cam and Lifter Kit (Part No.CL11-208-3)
from
$342.99
BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Magnum: Great for street machines. Use headers and 9:1+ compression. In 396-402 use 2500+ stall and lower gears. Rough idle.
Product Features:
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Product Features:
- Cam and lifter kit for Big Block Chevy engines
- CL-Kit includes cam, lifters, assembly lube, instructions and decals
- HYDRAULIC – Magnum: Great for street machines. Use headers and 9:1+ compression. In 396-402 use 2500+ stall and lower gears. Rough idle.
- 280/280 Advertised Duration, 230/230 Duration @ .050″, .520″/.520″ Lift, 110 Lobe Separation
- Valve spring upgrade required
Competition Cams – Xtreme Energy 218/224 Hydraulic Roller Cam K-Kit (Part No.K11-422-8)
from
$1546.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam K-Kit (Part No.K11-242-3)
from
$607.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 232/232 Hydraulic Roller Cam K-Kit (Part No.K11-450-8)
from
$1545.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Thumpr 235/249 Hydraulic Flat Cam K-Kit (Part No.K11-601-4)
from
$1011.00
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
Product Features:
See More
Product Features:
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – Xtreme Energy 250/256 Hydraulic Flat Cam K-Kit (Part No.K11-254-4)
from
$708.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 232/232 Hydraulic Roller Cam and Lifter Kit (Part No.CL11-450-8)
from
$1166.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Xtreme Energy 224/230 Hydraulic Roller Cam K-Kit (Part No.K11-423-8)
from
$1546.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – High Energy 206/206 Hydraulic Flat Cam K-Kit (Part No.K11-202-3)
from
$1270.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.
Product Features:
See More
Product Features:
- Good blend of efficiency and performance.
- Perfect choice for performance street rebuilds.
- Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
Competition Cams – Magnum/O-Track 244/244 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-213-3)
from
$342.99
BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Magnum: Street/strip applications. 10:1+ compression, 3000+ stall or 4 speed. 4.10 or lower gears and aftermarket intake. Very rough idle. OR Oval Track: Good for hobby stock in 454 where hydraulic lifters must be used.
Product Features:
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Product Features:
- Cam and lifter kit for Big Block Chevy engines
- CL-Kit includes cam, lifters, assembly lube, instructions and decals
- HYDRAULIC – Magnum: Street/strip applications. 10:1+ compression, 3000+ stall or 4 speed. 4.10 or lower gears and aftermarket intake. Very rough idle. OR Oval Track: Good for hobby stock in 454 where hydraulic lifters must be used.
- 292/292 Advertised Duration, 244/244 Duration @ .050″, .550″/.550″ Lift, 110 Lobe Separation
- Valve spring upgrade required
Competition Cams – Magnum/Oval Track 244/244 Hydraulic Flat Cam K-Kit (Part No.K11-213-3)
from
$664.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Xtreme Energy 212/218 Hydraulic Flat Cam and Lifter (Part No.CL11-234-3)
from
$342.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 248/254 Hydraulic Roller Cam K-Kit (Part No.K11-444-8)
from
$1545.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Upgrade your 1981 GMC Brigadier with Top-Quality Engine Parts
When it comes to maintaining or upgrading your 1981 GMC Brigadier, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Engine Parts are key to keeping your Brigadier functioning at its best. At Advance Auto Parts, we offer a wide selection of 43 Engine Parts for the 1981 GMC Brigadier, designed to meet your needs without breaking the bank.
From
Engine Block
replacements to
Camshafts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 1981 GMC Brigadier at great prices.
Our Engine Parts inventory for this model
ranges from just $6.99 to $1,546.99, with
an average price of $654.78.
Our 43 Engine Parts in stock come from 3 trusted brands, so you’re sure to find the right part for your 1981 GMC Brigadier without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals
and more to make sure your 1981 GMC Brigadier is always ready to roll. We’re committed to providing you with everything you need to keep your Brigadier in top shape, all in one place.
Start shopping confidently below for your 1981 GMC Brigadier!
Best-Selling Engine Blocks for 1981 GMC Brigadiers
Enhance the driving experience in your GMC with 2 quality Engine Block components, starting at $6.99.
Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)
from
$113.99
Product Features:
See More
- Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
- High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
- Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
- Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up
Melling – Stock Replacement Engine Assembly Lubricant, 4 oz. (Part No.M-10012)
from
$6.99
Product Features:
See More
- Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
- High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
- Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
- Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up
Most Popular 1981 GMC Brigadier Camshafts
Customize your GMC with 38 Camshafts products
like Camshafts and
Camshaft and Lifter Kits, all
priced under $1,546.99.
Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam (Part No.11-238-3)
from
$259.99
HYDRAULIC – Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.
Product Features:
See More
Product Features:
- HYDRAULIC – Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.
- 262/270 Advertised Duration, 218/224 Duration @ .050″, .504″/.510″ Lift, 110 Lobe Separation
- Valve spring upgrade required
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 224/230 Hydraulic Roller Cam K-Kit (Part No.K11-423-8)
from
$1546.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 218/224 Hydraulic Roller Cam K-Kit (Part No.K11-422-8)
from
$1546.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 236/242 Hydraulic Roller Cam K-Kit (Part No.K11-433-8)
from
$1545.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 248/254 Hydraulic Roller Cam K-Kit (Part No.K11-444-8)
from
$1545.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 232/232 Hydraulic Roller Cam K-Kit (Part No.K11-450-8)
from
$1545.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – High Energy 206/206 Hydraulic Flat Cam K-Kit (Part No.K11-202-3)
from
$1270.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.
Product Features:
See More
Product Features:
- Good blend of efficiency and performance.
- Perfect choice for performance street rebuilds.
- Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit (Part No.CL11-602-8)
from
$1166.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
Product Features:
See More
Product Features:
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – Magnum 232/232 Hydraulic Roller Cam and Lifter Kit (Part No.CL11-450-8)
from
$1166.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Magnum 224/224 Hydraulic Roller Cam and Lifter Kit (Part No.CL11-430-8)
from
$1166.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Thumpr 235/249 Hydraulic Flat Cam K-Kit (Part No.K11-601-4)
from
$1011.00
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
Product Features:
See More
Product Features:
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – Xtreme Energy 250/256 Hydraulic Flat Cam K-Kit (Part No.K11-254-4)
from
$708.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 253/253 Hydraulic Flat Cam K-Kit (Part No.K11-214-4)
from
$678.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Magnum/Oval Track 244/244 Hydraulic Flat Cam K-Kit (Part No.K11-213-3)
from
$664.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam K-Kit (Part No.K11-242-3)
from
$607.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
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Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 206/206 Hydraulic Roller Cam (Part No.11-410-8)
from
$574.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
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Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Xtreme Energy 200/206 Hydraulic Roller Cam (Part No.11-407-8)
from
$573.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
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Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 248/254 Hydraulic Roller Cam (Part No.11-444-8)
from
$549.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 232/232 Hydraulic Roller Cam (Part No.11-450-8)
from
$549.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
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Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Xtreme Energy 236/242 Hydraulic Roller Cam (Part No.11-433-8)
from
$549.99
HYDRAULIC ROLLER – Xtreme Energy Retro-Fit: Street/strip applications, works well in large c.i. street machine with 2500+ stall.
Product Features:
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Product Features:
- HYDRAULIC ROLLER – Xtreme Energy Retro-Fit: Street/strip applications, works well in large c.i. street machine with 2500+ stall.
- 288/294 Advertised Duration, 236/242 Duration @ .050″, .521″/.540″ Lift, 110 Lobe Separation
- Valve spring upgrade required
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 215/215 Hydraulic Roller Cam (Part No.11-420-8)
from
$549.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
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Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Xtreme Energy 218/224 Hydraulic Roller Cam (Part No.11-422-8)
from
$549.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
Product Features:
See More
Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 252/252 Hydraulic Roller Cam (Part No.11-470-8)
from
$549.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Competition Cams – Magnum 224/224 Hydraulic Roller Cam (Part No.11-430-8)
from
$549.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
Product Features:
See More
Product Features:
- Best with aftermarket torque converters and 9.5:1 compression.
- Great high RPM power.
- Easy on valve train parts.
- Can be used with mild ratio rocker arms and traditional performance valve springs.
Top Picks for 1981 GMC Brigadier Oil Pumps
Upgrade GMC Brigadiers with top-quality Oil Pumps parts, including 3 OEM and aftermarket selections for your 1981 model.
Melling – Engine Oil Priming Tool (Part No.MPL-201)
from
$355.99
Made In USA. Melling Engine Oil Priming Tank was developed as a way for engine builders to safely pre-prime the engine with oil prior to initial engine startup. The priming tank, when filled with clean oil and air pressure pumps oil into all of the critical areas of the new engine quickly and safely.
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Melling Select Performance – High Performance Standard Volume Cast Iron Oil Pump (Part No.10778)
from
$230.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the 10770. Increase in volume of 25% over stock oil pump. The drive shaft has been man
Product Features:
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Product Features:
- 25% Higher volume anti-cavitation high performance upgrade of the 10770
- CNC machined phosphate coated cast iron housing and cover
- Cover has extended idler shafts for additional support at high RPM’s
- Standard billet steel spur gears
- Adjustable pressure relief valve
- Includes lower pressure spring; not installed
- Includes chrome moly steel intermediate drive shaft with steel guide
- Uses 3/4 inch diameter press-fit screen
Melling Select Performance – High Performance High Volume Cast Iron Oil Pump (Part No.10770)
from
$188.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M-77HV. 25% Increase in volume over stock pump. The housing and cover are CNC machined and phosphate coated. The lower pressure spring is included to reduce pressure if desired. Built with billet steel gears. Includes Intermediate shaft with steel guide. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.
Product Features:
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Product Features:
- 25% Higher Volume High Performance upgrade of the M-77HV
- CNC machined phosphate coated cast iron housing and cover
- Standard billet steel spur gears
- Includes chrome moly steel intermediate drive shaft with steel guide
- includes lower pressure spring; not installed
- uses 3/4 inch diameter press-fit screen
FAQs for 1981 GMC Brigadier Engine Parts
Which Engine Parts are best-sellers for 1981 GMC Brigadiers?
Out of 43 Engine Parts that fit 1981 GMC Brigadiers, the following parts are the top sellers:
- Xtreme Energy 218/224 Hydraulic Flat Cam (10321973) – $259.99
- Xtreme Energy 242/248 Hydraulic Roller Cam (10322069) – $549.99
- Xtreme Energy 212/218 Hydraulic Roller Cam (10322009) – $549.99
What’s the price range for 1981 GMC Brigadier Engine Parts?
Engine Part prices for the 1981 GMC Brigadier start at $6.99 and go up to $1,546.99 for the most premium parts.
What’s the average price of a Engine Part for a 1981 GMC Brigadier?
The average price for Engine Parts for the 1981 GMC Brigadier is $654.78. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Engine Parts for my 1981 GMC Brigadier?
The cheapest 1981 GMC Brigadier Engine Parts we carry in stock are:
- Stock Replacement Engine Assembly Lubricant, 4 oz. (50175373) – $6.99
- Stock Replacement Engine Assembly Lubricant (50175377) – $113.99
- High Performance High Volume Cast Iron Oil Pump (20680805) – $188.99
- High Performance Standard Volume Cast Iron Oil Pump (20680884) – $230.99
- Xtreme Energy 218/224 Hydraulic Flat Cam (10321973) – $259.99
What types of Engine Parts do you sell for my 1981 GMC Brigadier?
As of 11/2/25, these are some of the most in-demand types of Engine Parts for a 1981 GMC Brigadier:
Can I get help with 1981 GMC Brigadier Engine Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Engine Parts and more.
What is your return policy for GMC Brigadier Engine Parts?
Advance Auto Parts keeps returns simple. For new GMC Brigadier Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
