1975 GMC G15 Performance Engines

Essential 1975 GMC G15 Performance Engines

Mr. Gasket – Precision Timing Tape (Part No.1588)

Precision Timing Tape

from

$18.99
Avoid trouble with this precision timing tape. Use it for accurate timing, setting valve lash or when degreeing the harmonic balancer.

Product Features:
  • Accurate in calibration
  • For hi-performance engines
  • Increased performance
  • Set valve lash at proper time
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B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)

Torque Converter, Nitrous Holeshot 3000

from

$696.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.

Product Features:
  • 2800-3200 RPM
  • Small And Big Blocks
  • Serious Performance
  • Furnace Brazed
  • Fully Balanced
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Spectre – Water Neck; Chevy Late Model (Part No.4730)

Water Neck; Chevy Late Model

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$23.79
Spectre’s Chevrolet late model water neck offers the normal angled water neck and a 1/2 inch NPT threaded hole for a by-pass hose. This water neck has a chrome plated finish for a lasting look great and includes the bolts.

Product Features:
  • Fits Chevy engines
  • Includes a 1/2 inch NPT threaded hole for by-pass hose
  • Includes bolts
  • Chrome plated
  • Easy to install
  • O-ring/gasket not included
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Edelbrock – Sure Seat; Valve Spring (Part No.5902)

Sure Seat; Valve Spring

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$51.99
Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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Mr. Gasket – GSKT INTAKE (Part No.5812)

GSKT INTAKE

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$46.99
GSKT INTAKE

Mr. Gasket – Throttle Cable Bracket (Part No.9885)

Throttle Cable Bracket

from

$14.99
The throttle cable bracket is designed for small block Chevy engines thru 1979 and is to be used in conjunction with the kick down cable Pn9886 for the Turbo 350 transmission. The throttle cable bracket mounts on the intake manifold and will hold cables with round or square mounts. It has a 2 inch adjustable range and is finished off in a beautiful chrome plating.

Product Features:
  • 2 in. adjustable range
  • Includes necessary hardware
  • Chrome plated
  • Individually packaged
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Edelbrock – TIMING CHAIN (Part No.7844)

TIMING CHAIN

from

$29.99
Product Features:
  • Timing Chain Only
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Weiand – Stealth Ram; Intake Manifold (Part No.7540P)

Stealth Ram; Intake Manifold

from

$1048.99


Product Features:
  • Great For Street Machines/Street Rods/Muscle Cars
  • Two Piece Design
  • Individual D-Shaped Runners
  • Optimized For Broad Power Range/Large Plenum Area
  • Can Be Used For Blow-Through Superchargers
  • Fully CNC Machined For A Perfect Fit
  • No Exhaust Crossover
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Mr. Gasket – Timing Cover Seal (Part No.18)

Timing Cover Seal

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$16.99
Mr. Gasket manufactures a variety of performance parts and accessories, including carburetor and fuel accessories, cooling system accessories, engine components, fasteners, gaskets, and suspension and drive line components. Besides gaskets and fasteners, the Mr. Gasket brand provides a variety of performance and racing products for all parts of your vehicle including: carburetor and fuel accessories, chrome-plated accessories, cooling system accessories, engine components, ignition and electrical accessories, shifter accessories, specialty tools and suspension and driveline components. Mr .Gasket also includes Ultra-Seal gaskets and fasteners.

Product Features:
  • Nitrile rubber and high density cork
  • Will not shrink or stick
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Mr. Gasket – Water Outlet Gasket (Part No.738G)

Water Outlet Gasket

from

$30.99
Manufactured from a blend of nitrile rubber and fiber for excellent sealing and durability. Precision die cut for application.

Product Features:
  • Edge molded rubber water outlet gasket is reusable
  • Requires no gasket sealer
  • Solid aluminum carrier for strength/rigidity
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Edelbrock – Water Pump for Small-Block Chevy in Satin Finish (Long) (Part No.8811)

Water Pump for Small-Block Chevy in Satin Finish (Long)

from

$307.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in one direction for optimum efficiency. In the early days of the automotive performance industry, you either ran what was available, or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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Weiand – Action Plus Water Pumps (Part No.9240P)

Action Plus Water Pumps

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$215.99
Weiand’s light weight, performance aluminum mechanical Action-Plus water pumps give a weight saving of 30 percent to 50 percent over stock cast-iron pumps. These pumps feature a premium quality bearing and seal that have twice the load capacity of stock pumps. Weiand’s exclusive housing counter bore keeps the bearing form walking out. All pumps are designed with the necessary bracket bosses and water connections to fit popular street applications.

Product Features:
  • Twisted Snout Water Pump Design For Updated Style
  • Street Performance
  • Heavy Duty Shaft w/5/8 in. Pilot
  • Six-Blade Stamped Steel
  • Anti-Cavitation Impeller
  • 100 Percent Leak Tested
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Spectre – Engine Dress Steel Up Kit (Part No.5404)

Engine Dress Steel Up Kit

from

$139.99
Spectre’s chrome engine kits are designed to give the top of your engine an amazing look in one neat package. This chrome engine kit includes chrome valve covers, chrome valve cover bolts, a chrome dip stick and a chrome plated timing cover.

Product Features:
  • Chrome valve covers
  • Chrome valve cover bolts
  • Chrome dip stick and tube
  • Chrome timing cover
  • Dresses up the engine
  • Triple plated chrome
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Spectre – Engine Dress Steel Up Kit (Part No.54083)

Engine Dress Steel Up Kit

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$119.99
Spectre’s Engine Dress-Up Kit was designed for the ’58-’86 Chevrolet small block 265-400. This kit includes: stock height baffled covers, chrome T-bar hold downs, chrome PCV breather, chrome breather, chrome oil filler cap, grommets, and a stainless steel braided PCV hose with red/blue Magna-Clamps. Designed for use with OE specifications for fit and function, Spectre products are engineered to perform as good as they look.

Product Features:
  • For Chevrolet small block 265 and 400
  • Kit includes: stock height baffled covers, chrome T-bar hold downs, chrome PCV breather, chrome breather, chrome oil filler cap, grommets, and a stain
  • Designed for use with OE specifications for fit and function
  • Made from high quality material
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)

PERFORMANCE OIL PAN GASKET SET

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$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
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FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1803)

Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set

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$26.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Special Cam Bolt (Part No.944G)

Special Cam Bolt

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$12.99
Grade 8, single bolt. Black plated finish. The washers are designed to secure the Mr. Gasket cam button pn1180, pn1181, and pn1183 or can be used as stock replacements.

Product Features:
  • Specialty and drive train fastener
  • Special cam bolts
  • Black plated finish
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Edelbrock – RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam (Part No.60759)

RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam

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$1014.99
Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • 70cc Combustion Chambers Improve Performance
  • Retain Stock Compression Ratio
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Edelbrock – Performer; Cylinder Head (Part No.60659)

Performer; Cylinder Head

from

$587.99


Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • 70cc Combustion Chambers Improve Performance
  • Retain Stock Compression Ratio
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Mr. Gasket – Ultra Seal; Head Gasket (Part No.5801G)

Ultra Seal; Head Gasket

from

$61.99
Excellent resilience. High temperature endurance. Will not creep or cold-flow. Will not get brittle. Resists corrosion. Eliminates gasket sealer. Compatible with high octane and exotic fuel.

Product Features:
  • Excellent resilience
  • High temperature endurance
  • Will not creep/cold-flow
  • Will not get brittle
  • Resists corrosion
  • Eliminates gasket sealer
  • Compatible w/high octane fuel
  • Compatible with exotic fuel
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$52.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
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FEL-PRO Performance – PERFORMANCE REAR MAIN SEAL SET (Part No.2912)

PERFORMANCE REAR MAIN SEAL SET

from

$36.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
  • Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
  • Not intended for use in emission controlled vehicles.
  • Not intended for use in emission controlled vehicles.
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2900)

Engine Crankshaft Seal Kit

from

$21.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Mr. Gasket – Valve Cover Gasket Set (Part No.179)

Valve Cover Gasket Set

from

$35.99
Thick, molded rubber with steel carrier. Manufactured from high-density cork and rubber blend gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage. Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Available in standard or extra thick to provide additional valve train to cover clearance. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Provides excellent flange sealing and durability
  • For high perf street drag race oval track
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Mr. Gasket – Valve Cover Gasket Set (Part No.585G)

Valve Cover Gasket Set

from

$25.99
Thick, molded rubber with steel carrier. Manufactured from high-density cork and rubber blend gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage. Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Available in standard or extra thick to provide additional valve train to cover clearance. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Features nitrile rubber material for long life
  • Molded rubber gaskets are reusable
  • Ideal for engine requiring valve lash maintenance
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Edelbrock – Pushrod Set for S/B Chevy (Part No.9629)

Pushrod Set for S/B Chevy

from

$187.99


Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
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1975 GMC G15 Performance Engines

Maybe you’re in the middle of a full rebuild of that 1975 GMC G15. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 65 different Performance Engines in our inventory ranging from $12.99 to $1,268.99. That means you can find the exact parts or products you need to keep that 1975 GMC G15 running smoothly.

Performance Engines are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 1975 GMC G15. Mr. Gasket, FEL-PRO Performance, and Edelbrock are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1975 GMC G15, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 156 reviews in this category, some of the top rated parts include Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish with 5.0 stars and Sure Seat Valve Springs for Chevy 262-400 V8 1957-95 with 5.0 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1975 GMC G15 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1975 GMC G15 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1975 GMC G15 demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your G15 the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular FEL-PRO Performance Performance Engines

We carry FEL-PRO Performance parts in our stock across Performance Engine Cylinder Head Gaskets categories, plus more. For a 1975 GMC G15, our most popular FEL-PRO Performance Performance Engines include:
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $52.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $39.49
(1)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Engine Valve Cover Gasket Set
from $23.49
(1)
Engine Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets

Top 1975 GMC G15 Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1975 GMC G15. Popular Mr. Gasket parts include:
Ultra Seal; Valve Cover Gasket Set
from $25.99
(7)
Ultra Seal; Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets
Water Outlet Gasket
from $30.99
(6)
Water Outlet Gasket
Performance Water Outlet Gaskets
Intake Manifold Bolts
from $29.99
(5)
Intake Manifold Bolts
Performance Intake Manifolds

FAQs for 1975 GMC G15 Performance Engines

What are the most purchased Performance Engines for the 1975 GMC G15?

Out of 65 Performance Engines for the 1975 GMC G15, the most popular in our inventory are:
Ultra Seal; Valve Cover Gasket Set
from $35.99
(2)
Ultra Seal; Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets
Engine Crankshaft Seal Kit
from $21.49
(2)
Engine Crankshaft Seal Kit
Performance Engine Main Bearing Gasket Sets
Action Plus Water Pumps
from $215.99
(3)
Action Plus Water Pumps
Performance Engine Water Pumps

What are the top-rated 1975 GMC G15 Performance Engines?

Top-rated Performance Engines for your 1975 GMC G15 based on customer reviews/ratings are:
Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish
from $257.99
(3)
Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish
“Get the matching carb, increased HP by 50 points”
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
from $60.99
(2)
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
“Used with the smallest Comp Thumpr Cam, good to 5500 RPM, Cost is great, No valve float. I would use again with a samll to medium cam and 416 heads.”
Engine Dress Steel Up Kit
from $119.99
(2)
Engine Dress Steel Up Kit
“fast shipping , look good , have not installed them yet”