1991 GMC C6000 Topkick Performance Engines
Keep Your 1991 GMC C6000 Topkick in Top Shape with Quality Performance Engines
Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1991 GMC C6000 Topkick looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Camshaft and Lifter Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Performance Engines from Trusted Brands
Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like Competition Cams. For example, Competition Cams Performance Engines start at just $637.99 with an average 4.2 star rating. With over 1 reviews and a solid 5 star average, you can shop with confidence knowing other GMC C6000 Topkick owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1991 GMC C6000 Topkick Performance Engine at Advance Auto Parts is around $949.39, with a range that starts at $342.99 and goes up to $2,318.00. With 15 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Magnum 253/253 Hydraulic Flat Cam K-Kit, Thumpr 235/249 Hydraulic Flat Cam K-Kit, and Xtreme 4×4 218/226 Hydraulic Flat Cam K-Kit for Chevrolet Big Block 396-454 start at just $678.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Ignition Products and Performance Radiators. At Advance Auto Parts, we’re here to help you keep your 1991 GMC C6000 Topkick in peak condition, inside and out.
Find Your Specific 1991 GMC C6000 Topkick Performance Engines
Looking for the perfect Performance Engine for your 1991 GMC C6000 Topkick? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your GMC C6000 Topkick. Whether you’re driving a 1991 model or another popular model year like
1990,
1992,
1993,
1994,
1995, and
1996, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.
Essential 1991 GMC C6000 Topkick Performance Engines
Competition Cams – Mutha Thumpr 235/249 Hydraulic Roller Cam/Lifter Kit (Part No.CL11-601-8)
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 – High Energy 218/218 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-205-3)
from
$637.99
BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – High Energy: Performance with slight rough idle in 396. Great for heavy towing in 454 c.i.
Product Features:
See More
Product Features:
- Cam and lifter kit for Big Block Chevy engines
- CL-Kit includes cam, lifters, assembly lube, instructions and decals
- HYDRAULIC – High Energy: Performance with slight rough idle in 396. Great for heavy towing in 454 c.i.
- 268/268 Advertised Duration, 218/218 Duration @ .050″, .485″/.485″ Lift, 110 Lobe Separation
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 – High Energy 206/206 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-202-3)
from
$635.99
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 – XE 240/246 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-250-3)
from
$342.99
BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Street/strip, 2800+ stall, rough idle. 9.5:1+ compression.
Product Features:
See More
Product Features:
- Cam and lifter kit for Big Block Chevy engines
- CL-Kit includes cam, lifters, assembly lube, instructions and decals
- HYDRAULIC – Xtreme Energy: Street/strip, 2800+ stall, rough idle. 9.5:1+ compression.
- 284/296 Advertised Duration, 240/246 Duration @ .050″, .574″/.578″ Lift, 110 Lobe Separation
- Valve spring upgrade required
Competition Cams – XE 250/256 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-254-4)
from
$390.99
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 – 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 – Thumpr 227/241 Hydraulic Roller Cam and Lifter Kit (Part No.CL11-600-8)
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.
Popular 1991 GMC C6000 Topkick Performance Engines Categories
Most Popular Performance Engine Camshaft and Lifter Kits for 1991 GMC C6000 Topkicks
Enhance your 1991 GMC C6000 Topkick with one of the 15 Performance Engine Camshaft and Lifter Kits we have in stock, starting at just $342.99.
Competition Cams – High Energy 218/218 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-205-3)
from
$637.99
BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – High Energy: Performance with slight rough idle in 396. Great for heavy towing in 454 c.i.
Product Features:
See More
Product Features:
- Cam and lifter kit for Big Block Chevy engines
- CL-Kit includes cam, lifters, assembly lube, instructions and decals
- HYDRAULIC – High Energy: Performance with slight rough idle in 396. Great for heavy towing in 454 c.i.
- 268/268 Advertised Duration, 218/218 Duration @ .050″, .485″/.485″ Lift, 110 Lobe Separation
Competition Cams – Xtreme Energy 236/242 Solid Roller Cam K-Kit for Chevrolet Big Block 396-454 (Part No.K11-770-8)
from
$2318.00
Xtreme Energy 236/242 Solid Roller Cam K-Kit for Chevrolet Big Block 396-454
Competition Cams – XE 242/248 Solid Roller Cam and Lifter Kit Chevrolet Big Block 396-454 (Part No.CL11-771-8)
from
$1712.00
XE 242/248 Solid Roller Cam and Lifter Kit Chevrolet Big Block 396-454
Competition Cams – Magnum 246/246 Solid Roller Cam and Lifter Kit for Chevrolet Big Block 396-454 (Part No.CL11-692-8)
from
$1712.00
Magnum 246/246 Solid Roller Cam and Lifter Kit for Chevrolet Big Block 396-454
Competition Cams – Mutha Thumpr 235/249 Hydraulic Roller Cam/Lifter Kit (Part No.CL11-601-8)
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 – Thumpr 227/241 Hydraulic Roller Cam and Lifter Kit (Part No.CL11-600-8)
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 – 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 4×4 218/226 Hydraulic Flat Cam K-Kit for Chevrolet Big Block 396-454 (Part No.K11-235-3)
from
$911.99
Xtreme 4×4 218/226 Hydraulic Flat Cam K-Kit for Chevrolet Big Block 396-454
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 – High Energy 206/206 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-202-3)
from
$635.99
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 – Nostalgia Plus 229/236 Hydraulic Flat Cam/Lifter Kit Chverolet Big Block 396-454 (Part No.CL11-670-4)
from
$561.99
Nostalgia Plus 229/236 Hydraulic Flat Cam/Lifter Kit Chverolet Big Block 396-454
Competition Cams – Magnum 236/236 Solid Flat Cam and Lifter Kit for Chevrolet Big Block 396-454 (Part No.CL11-218-4)
from
$529.99
Magnum 236/236 Solid Flat Cam and Lifter Kit for Chevrolet Big Block 396-454
Competition Cams – Xtreme 4×4 226/234 Hydraulic Flat Cam and Lifter Kit Chevrolet Big Block 396-454 (Part No.CL11-239-3)
from
$462.99
Xtreme 4×4 226/234 Hydraulic Flat Cam and Lifter Kit Chevrolet Big Block 396-454
Competition Cams – XE 250/256 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-254-4)
from
$390.99
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 – XE 240/246 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-250-3)
from
$342.99
BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Street/strip, 2800+ stall, rough idle. 9.5:1+ compression.
Product Features:
See More
Product Features:
- Cam and lifter kit for Big Block Chevy engines
- CL-Kit includes cam, lifters, assembly lube, instructions and decals
- HYDRAULIC – Xtreme Energy: Street/strip, 2800+ stall, rough idle. 9.5:1+ compression.
- 284/296 Advertised Duration, 240/246 Duration @ .050″, .574″/.578″ Lift, 110 Lobe Separation
- Valve spring upgrade required
Top-Rated Performance Engine Brands For Your 1991 GMC C6000 Topkick
When it comes to finding the perfect Performance Engine for your 1991 GMC C6000 Topkick, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 trusted brands. We carry the most popular Performance Engine brands including Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $637.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1991 GMC C6000 Topkick, providing peace of mind with parts that meet or exceed OEM standards.
Popular Competition Cams 1991 GMC C6000 Topkick Performance Engines
If you’re looking for a top-quality Performance Engine for your 1991 GMC C6000 Topkick, Advance Auto Parts has exactly what you need with our selection of Competition Cams Performance Engines. We have 1 Competition Cams Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $637.99, you’ll find the perfect Performance Engine for your needs and budget. Competition Cams Performance Engines for the 1991 GMC C6000 Topkick come highly rated, with over 1 customer reviews and an impressive average rating of 4.2 stars. Choosing a Competition Cams Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$637.99
(1)
High Energy 218/218 Hydraulic Flat Cam/Lifter Kit
“Perfect replacement part for my 1986 Olds 442. Works as expected.”
FAQs for 1991 GMC C6000 Topkick Performance Engines
What are the best-selling Performance Engines for 1991 GMC C6000 Topkicks?
Out of 15 Performance Engines that fit 1991 GMC C6000 Topkicks, the following parts are the top sellers:
- Magnum 253/253 Hydraulic Flat Cam K-Kit (10285786) – $678.99
- Thumpr 235/249 Hydraulic Flat Cam K-Kit (10286080) – $1,011.00
- Xtreme 4×4 218/226 Hydraulic Flat Cam K-Kit for Chevrolet Big Block 396-454 (50286096) – $911.99
What’s the price range for 1991 GMC C6000 Topkick Performance Engines?
The prices of Performance Engines for the 1991 GMC C6000 Topkick range from $342.99 up to $2,318.00 for the most premium parts.
What is the average price of a Performance Engine for a 1991 GMC C6000 Topkick?
The average price for Performance Engines for the 1991 GMC C6000 Topkick is $949.39. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Engines for other GMC C6000 Topkick model years?
What are the cheapest Performance Engines for my 1991 GMC C6000 Topkick?
The cheapest 1991 GMC C6000 Topkick Performance Engines we carry are:
- XE 240/246 Hydraulic Flat Cam/Lifter Kit (10321913) – $342.99
- XE 250/256 Hydraulic Flat Cam/Lifter Kit (10322058) – $390.99
- Xtreme 4×4 226/234 Hydraulic Flat Cam and Lifter Kit Chevrolet Big Block 396-454 (50287224) – $462.99
- Magnum 236/236 Solid Flat Cam and Lifter Kit for Chevrolet Big Block 396-454 (50287094) – $529.99
- Nostalgia Plus 229/236 Hydraulic Flat Cam/Lifter Kit Chverolet Big Block 396-454 (50287203) – $561.99
Does Advance Auto Parts sell Performance Engines for any other 1991 GMC models?
Yes. We stock Performance Engines for 19 other popular 1991 GMC models. Some of the most popular are 1991 Jimmy Performance Engines, 1991 K2500 Performance Engines, 1991 C2500 Performance Engines, 1991 K1500 Performance Engines, and 1991 C1500 Performance Engines.
What are the top-rated Performance Engines that fit the 1991 GMC C6000 Topkick?
The one 1991 GMC C6000 Topkick Performance Engine we have in stock is the XE 240/246 Hydraulic Flat Cam/Lifter Kit. It costs $342.99.
What types of Performance Engines do you sell for my 1991 GMC C6000 Topkick?
We currently have just 1 Performance Engine in stock for a 1991 GMC C6000 Topkick, and as of 6/2/26, it is a Performance Engine Camshaft and Lifter Kit.
Can I get help with 1991 GMC C6000 Topkick Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Performance Engines and more.
What is your return policy for GMC C6000 Topkick Performance Engines?
Advance Auto Parts keeps returns simple. For new GMC C6000 Topkick Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.