GMC C15 Performance Engines

Name: Performance Torque Converter for GM TH400, 350, & 375 Transmissions
Brand: B & M
SKU: 20400
Price: 299.99 USD

If you’re in search of GMC C15 Performance Engines aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 138 Performance Engines from top brands with prices ranging from $14.99 to $1,322.99.

Beyond great prices, we stock trusted brands manufacturing all types of Performance Engines for your GMC C15. Of the 7 OEM and aftermarket parts brands we carry, some of the most popular are Mr. Gasket, Edelbrock, and FEL-PRO Performance.

And don’t forget to read customer reviews across all Performance Engines categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Performance Engines have to cost top dollar, and we prove it. Browse our top GMC C15 Performance Engines below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC C15 Performance Engines

from

$299.99

Torque Converter – Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost

Product Features:

New Precision Pump Drive Tube
Pressure Tested
Fully Balanced
Needle Thrust Bearing
New Thrust Washer

from

$23.99

This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It’s also injection molded for a precise fit.

Product Features:

Repairs That Leaky Rear Main Sail
Silicone Rubber to Withstand Extreme Engine Oil Temperatures
Upgrade for Rope Seal Equipped Cars or Direct Replacement for Rubber Main Seal
Injection Molded for Precise Fit

from

$17.79

Big Block Chevrolet tubular head dowel, .638/.639 inch o.d. (outer diameter) by 1/2 inch. Packaged two per set. These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly.

Product Features:

Precision Machined
Case Hardened
Give Accurate Alignment
2 Per Set

from

$213.99

These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 applications are the ultimate street rocker. With a 3/8″ stud diameter and 1.52 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed

Product Features:

Roller tip reduces friction while stiff design and superior ratio accuracy yield more effective valve lift
For applications with less than 350 lbs. of open spring pressure
Constructed from 8620 chromemoly steel, a superior material that will not flex and ensures maximum lift
Ultimate street roller rocker arm designed for serious performance enthusiasts

from

$529.99

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, the Thumpr series’ early i

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.

from

$73.99

These grade 8 alloy steel, longer length bolts are designed to compensate for thread length lost when using head bolt washers. This allows increased torque and clamping. Set of 16 does one cylinder head.

Product Features:

Cylinder Head Bolts
Longer-Than-Stock
High Quality Grade 8 Alloy
Increase Torque Settings
Higher Clamp Loads On Gasket

from

$23.49

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

Product Features:

Die cut silicone rubber gaskets conform to out-of-flat covers
Great for on-again/off-again situations
Not intended for use in emission controlled vehicles.

from

$225.99

Complete kit includes retainers and locks. Springs made of highest quality spring wire. Springs precision wound to close tolerances. Includes superior quality steel retainers. Includes 7 degree heat-treated valve stem locks. Retainers and locks are black oxide coated. Non-rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:

Complete Kit: Includes Retainers And Locks
Springs Made of Highest Quality Spring Wire
Springs Precision Wound To Close Tolerances
Includes Superior Quality Steel Retainers
Includes 7 deg. Heat-Treated Valve Stem Locks
Retainers and Locks Black Oxide Coated
Non-Rotator Style: Dyno Tested and Street Proven
Great Match to Edelbrock Camshaft Kit

from

$68.99

Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.130 inch, Compressed thickness 0.055 inch

Product Features:

Five layer (graphite core/perforated steel outer layers) composite construction
Graphite core is excellent transfering heat away from hot spots in head preventing gasket burn-out.
Provides excellent stability, compressibility and high temperature endurance
Coated with high temperature silicone to ensure sealing of engine fluids
Will not brinell (indent) aluminum cylinder heads
For high performance street, drag race and oval track use
Compatible w/High Octane Fuel
Compatible With Exotic Fuel

from

$95.99

Valve spring retainers for use OE cast iron heads. Superior quality heat-treated steel. Machined for strength with black oxide finish. Finish ensures rust and corrosion protection.

Product Features:

Valve Spring Retainers for Use OE Cast Iron Heads
Superior Quality Heat-Treated Steel
Machined for Strength with Black Oxide Finish
Finish Ensures Rust and Corrosion Protection

from

$29.99

Product Features:

Timing Chain Only

from

$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

from

$26.99

Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:

Opens At 180 Degrees
Designed to Resist Large Variations of Coolant Pressure at High RPM
Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
For High Performance Street, Drag Race, and Oval Track
Copper & Brass Construction – Resists Corrosion
High Flow

from

$27.49

Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:

Complete with o-rings and mounting bolts
Features an o-ring style seal to prevent water leaks
Chrome plated
1/2″ NPT port can be used for various coolant temp related sensors or switches

from

$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.

from

$189.99

Product Features:

Case-Hardened Tubing
Welded Ends
5/16 in. Diameter
Use with or without Hardened Steel Guideplates

from

$17.49

These grade 5 hex head bolts are brite zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8 inch-16 x 1 inch bolts & washers

Product Features:

Zinc plated to resist corrosion and provide a clean professional appearance
Made from Grade 5 steel for strength and durability
Flat washers provide uniform clamp load and prevent galling on aluminum intake manifolds
Allen (socket) Head
Zinc Plated For Protection

from

$1322.99

BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

Product Features:

Cam and lifter kit for Big Block Chevy engines
CL-Kit includes cam, lifters, assembly lube, instructions and decals
HYDRAULIC – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
295/312 Advertised Duration, 243/257 Duration @ .050″, .522″/.507″ Lift, 107 Lobe Separation
Valve spring upgrade required

from

$42.99

Ultra-Seal intake manifold gaskets are manufactured from cellulose/nitrile composition gasket material. Provides excellent sealing and durability. Incorporates Silicone beading around each intake and water outlet port to provide additional sealing strength on both sides of each gasket. No gasket sealer required. For OE replacement, high performance street, drag race and oval track use. Includes manifold end seals and distributor gasket.

Product Features:

Manufactured from cellulose/nitrile composition gasket material
Provides excellent sealing and durability
Silicone beading on both sides of each gasket
Complete with manifold end seals and distributor gasket
For OE replacement, high performance street, drag race and oval track use
Creates Tight Leak proof Seal

from

$41.99

Product Features:

Replacement Gasket Set For PN[4242]

from

$20.29

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

Product Features:

Steel core gasket construction
Exclusive design permits significantly faster gasket installation while eliminating potential sealing leak paths.
Not intended for use in emission controlled vehicles.

from

$1009.99

Product Features:

50-State Street Legal Aluminum Cylinder Head
Out-of-the-Box Bolt-On Performance
64cc Combustion Chambers Improve Performance
Retain Stock Compression Ratio

from

$958.99

The Edelbrock #607519 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. This cylinder head includes your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or

Product Features:

Complete Single For Hydraulic Flat Tappet
70cc Combustion Chamber Volume
185cc Intake/65cc Exhaust Runner Volume
2.02 in. Intake/1.6 in. Exhaust Valve Diameter
0.562 in. Deck Thickness

from

$535.99

Product Features:

For Idle to 5500 RPM Street-Driven Performance
Dual-Plane Low-Rise Intake w/180 Deg Firing Order
Patented Runner Design Ensures Broad Torque Curve
Excellent Throttle Response and Mid-Range Power
50-State Street Legal for 1987-90GM Trucks
Accepts Stock Throttle Body EFI and EGR
Match w/Camshaft PN[2162] and Head PN[60499]
Package improves 0-60 mph times by 1.70 seconds

from

$329.99

Product Features:

For Idle to 5500 RPM Street-Driven Performance
Dual-Plane Low-Rise Intake w/180 Deg Firing Order
Patented Runner Design Ensures Broad Torque Curve
Excellent Throttle Response and Mid-Range Power
50-State Street Legal if Correct Carburetor Used
Accepts Late-Model Choke; Waterneck; and HEI
Accepts A/C And Alternator
Accepts Exhaust Heated Chokes

GMC C15 Performance Engines List

Performance Engine Coolant Thermostats

Performance Intake Manifolds

Performance Engine Water Pumps

Performance Water Outlets

Performance Engine Cylinder Head Gaskets

Performance Engine Camshaft and Lifter Kits

Performance Engine Intake Manifold Gaskets

Performance Engine Timing Sets and Components

Performance Engine Valve Springs

Performance Engine Valve Cover Gasket Sets

Performance Engine Rocker Arms

Performance Engine Camshafts

Performance Engine Oil Pan Gaskets

Performance Intake Manifold Hardware

Performance Engine Main Bearing Gasket Sets

Performance Engine Cylinder Head Bolts

Performance Engine Cylinder Head Installation Kits

Performance Engine Timing Cover Gasket Sets

Performance Engine Push Rods

Performance Engine Cylinder Heads

Performance Torque Converters

Performance Engine Valve Spring Retainer

Performance Engines Brands You Can Trust For Your GMC C15

7 trusted brands of Performance Engines line our shelves, ready to help keep your GMC C15 running smooth. Below are some of the most popular brands and their top Performance Engines offerings:

Popular B & M Performance Engines

B & M products for the GMC C15 span several categories. Some of the highest-rated B & M Performance Engines that will fit your GMC C15 are:

from $339.99

(1)

Tork Master 2400

Performance Torque Converters

from $499.99

(1)

Tork Master 3000

Performance Torque Converters

Top GMC C15 Performance Engines from Mr. Gasket

Your GMC C15 will be purring again thanks to Mr. Gasket brand Performance Engines available for online order or in-store pick up. Popular Mr. Gasket parts include:

from $26.99

(20)

High Performance 180 Degree Thermostat for Increased Flow

Performance Engine Coolant Thermostats

Most Purchased GMC C15 Performance Engines from Edelbrock

When you buy the most frequently purchased Edelbrock brand Performance Engines, you can be confident it will be the right part for your GMC C15. Here are the Edelbrock Performance Engines Advanced Auto customers buy the most:

from $195.99

(7)

Performer EPS Intake Manifold for 1955-86 Small-Block Chevy

Performance Intake Manifolds

from $26.99

(20)

High Performance 180 Degree Thermostat for Increased Flow

Performance Engine Coolant Thermostats

from $39.49

(1)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

Performance Engine Cylinder Head Gaskets

FAQs for GMC C15 Performance Engines

What are the most purchased Performance Engines for the GMC C15?

Out of 138 Performance Engines for the GMC C15, the most popular in our inventory are:

from $195.99

(7)

Performer EPS Intake Manifold for 1955-86 Small-Block Chevy

Performance Intake Manifolds

from $39.49

(1)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

Performance Engine Cylinder Head Gaskets

from $27.49

This product is not rated

Lower Intake Manifold Gasket Set: 9 Piece Set

Performance Engine Intake Manifold Gaskets

What are the top-rated GMC C15 Performance Engines?

Top-rated Performance Engines for your GMC C15 based on customer reviews/ratings are:

from $215.99

(3)

Action Plus Water Pumps

“I bought this item for my 1979 Camaro SBC for Street/Strip application. Water pump weighs 4 LBS less than factory, comes with its own cork gaskets. N”

from $215.99

(2)

Action Plus Water Pumps

“The twisted neck comes to far up on the hub. For a 2 groove pulley it causes the pulley to hit the water pump. You will also need new bolts for the”

from $334.99

(1)

Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet

“put this cam and lifter kit in my 412 inch small block chevy. works well with patriot alum. heads and edelbrock duel quad intake. all this is running ”

GMC C15 Performance Engines

Your One-Stop Shop For Trusted GMC C15 Performance Engines

Essential GMC C15 Performance Engines

B & M – Performance Torque Converter for GM TH400, 350, & 375 Transmissions (Part No.20400)

Mr. Gasket – Rear Main Seal Gasket (Part No.1960)

Mr. Gasket – Cylinder Head Dowel Pins (Part No.4377)

Competition Cams – MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST (Part No.1412-16)

Competition Cams – CAMSHAFT, SBC 295 BIG MUTHA THUMPR HYDRAULIC 1 EA (Part No.12-602-4)

Mr. Gasket – Ultra Seal: Cylinder Head Bolts (Part No.941G)

FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)

Edelbrock – Complete Sure Seat Valve Spring Kit for Chevy 396-402-427-454 V8 (Part No.5795)

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9721)

Edelbrock – TIMING CHAIN (Part No.7844)

Weiand – Action Plus Water Pumps (Part No.9208P)

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

Mr. Gasket – Water Neck (Part No.2557)

FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1803)

Edelbrock – Pushrod Set for S/B Chevy (Part No.9630)

Mr. Gasket – Intake Manifold Bolt Set – Chevrolet Small Block – Socket Head 3/8"-16 X 1" Bolts & Washers (Part No.956G)

Competition Cams – Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454 (Part No.CL11-602-4)

Mr. Gasket – Ultra Seal: Intake Gasket (Part No.5817)

Edelbrock – Replacement Timing Cover Gasket #4243 For SB Chevy, Fits 2-Piece Part #4242 (Part No.4243)

FEL-PRO Performance – Engine Timing Cover Gasket (Part No.2335)

Edelbrock – Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet (Part No.60909)

Edelbrock – RPM Small-Block Chevy Cylinder Head SBC 70cc Flat Tappet Cam Polished (Part No.607519)

Edelbrock – Performer 454 T.B.I. Intake Manifold Big-Block Chevy (Part No.3764)

Edelbrock – Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish (Part No.2104)

GMC C15 Performance Engines List

Performance Engines Brands You Can Trust For Your GMC C15

Popular B & M Performance Engines

Top GMC C15 Performance Engines from Mr. Gasket

Most Purchased GMC C15 Performance Engines from Edelbrock

FAQs for GMC C15 Performance Engines

What are the most purchased Performance Engines for the GMC C15?

What are the top-rated GMC C15 Performance Engines?

Find Your GMC C15 Performance Engines by Year

More Popular Parts for All Makes