1978 - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Yukon Gear & Axle Ring and Pinion Gear and Differential Combos YGK2231

Ring and Pinion Gears,Yukon Gear & Axle 8.875" GM 12 Bolt Truck, 3.08 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10631

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Eddie Motorsports V-Drive V-Belt Pulley Drive Systems MS107-92BA

Pulley Kit, V-belt, Chevy SmallBlock, Aluminum, NO AC, Power Steering w/Plastic Res, 140amp, Black Anodize, 2 Box

Part Number: EMS-MS107-92BA

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Scat Forged Standard Weight Crankshafts 4-454-4250-6385-2

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Each

Part Number: SCA-445425-2

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

QA1 Level 2 Full Vehicle Drag Racing Suspension Kits DK32-GMX3

DRAG KIT LEVEL 2, X-BODY; 75-79 GM X-BODY, W/0 SHOCKS

Part Number: QA1-DK32-GMX3

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Baer Brakes Pro Brake Kits for 1974-1978 MUSTANG II - 4261643B

Disc Brake Kit, Pro, Front, Cross-drilled/Slotted Rotors, 6-piston, Black Powdercoated Calipers, Wilwood Mustang II Pro Spindle Required, Ford, Kit

Part Number: BAE-4261643B

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Baer Brakes Pro Brake Kits for 1974-1978 MUSTANG II - 4261643R

Disc Brake Kit, Pro, Front, Cross-drilled/Slotted Rotors, Red Powdercoated Calipers, Wilwood Mustang II Pro Spindle Required, Ford, Kit

Part Number: BAE-4261643R

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Baer Brakes Pro Brake Kits for 1974-1978 MUSTANG II - 4261644B

Disc Brake Kit, Pro, Front, Cross-drilled/Slotted Rotors, 6-piston, Black Powdercoated Calipers, Wilwood Mustang II Pro Spindle Required, Ford, Kit

Part Number: BAE-4261644B

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Baer Brakes Pro Brake Kits for 1974-1978 MUSTANG II - 4261644R

Disc Brake Kit, Pro, Front, Cross-drilled/Slotted Rotors, Red Powdercoated Calipers, Wilwood Mustang II Pro Spindle Required, Ford, Kit

Part Number: BAE-4261644R

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Trans-Dapt Performance Swap-In-A-Box Complete Engine Swap Kits 42053

Engine Swap Kits, Swap-In-A-Box Complete, Mid-length Black Ceramic Coated Headers, Motor Mounts, Red Oil Pan, Chevrolet, GMC, Small Block LS, Kit

Part Number: TRD-42053

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

World Products Merlin Cylinder Heads 030620M-2

Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620M-2

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Moroso Drag Race Pans 20377

Oil Pans, Drag Race Pans, Rear Wet Sump, Aluminum, Natural, 8.313 in. Depth, Chevrolet, Big Block, Each

Part Number: MOR-20377

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Aldan American Nighthawk Series Coilover Kits 7000186

Coilover Kit, Nighthawk Series, Front/Rear, Single Adjustable, Black, 450 lbs./in. Front, 140 lbs./in. Rear, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: AAX-7000186

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

American Racing Headers GM G-Body Headers CSBG-78158300HR

American Racing Headers GM G-Body Headers CSBG-78158300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.625 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: AMH-S00259

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Diamond Pistons Big Block 24/26 Degree Nitrous Dome Series Pistons 12729-8

Nitrous Series - 1600HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12729-8

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Jesel Sportsman Series Shaft Rocker Arms KSS-267070

Rocker System, Shaft, Full Roller, 1.7 Ratio, Shims, for Pro Comp Big Block Chevy Cylinder Heads, Kit

Part Number: JES-KSS-267070

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Diamond Pistons Race Series Pistons 11427-8

Race Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-11427-8

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Diamond Pistons Domestic Series Pistons 11804-8

Nitrous Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-11804-8

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Diamond Pistons Small Block Chevy Nitrous Series Pistons 11839-8

Nitrous Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-11839-8

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Speedtech Performance USA Tubular Control Arm Packages 50030

Control Arms, Tubular, Upper, Lower, Steel, Black Powdercoated, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: SDP-50030

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Spicer Drivetrain Products 35 Spline Differential Carriers Dana 70 706050X

Differential Carrier, Dana 70, Powr-Lok, 10 Cover Bolts, 35 Spline, Steel, Rear, Each

Part Number: SDH-706050X

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Trick Flow® by Stainless Works Headers TFS-SBF-DFT-VIC

Headers, by Stainless Works Headers, Forward and Down, Stainless Steel, Natural, Edelbrock Victor Flange, Ford, Small Block Windsor, Pair

Part Number: TFS-SBF-DFT-VIC

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Trick Flow® by Stainless Works Turbo Headers TFS-SBFDFT-SBF2

Headers, Turbo, Down/Forward, Stainless, 1.875 in. Primary Tubes, 3.000 in. Collectors, Small Block Ford, Universal, Kit

Part Number: TFS-SBFDFT-SBF2

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Scott's Hot Rods 4-Bar Rear Suspension Kits V-42-94-P

Rear Suspension Package, Air Bags, Panhard Bar, Ford 9 in., 1967-72, Chevy, Kit

Part Number: SXH-V-42-94-P

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-233 Dana 60/GM 10.5 in. (14-bolt) 5.38 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-233

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Diamond Pistons Big Block 24/26 Degree Street/Strip Flat Top Series Pistons 12017-8-H

396/454 24° 4.310B/1.520CD/Kit

Part Number: DPP-12017-8-H

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

1978 Parts and Accessories