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

QuickTime Bellhousings RM-8075

Bellhousing, Quick Time, SFI Approved, AMC, 290, 401, to GM Manual Transmission, Kit

Part Number: QTI-RM-8075

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-213 GM 8.5 in. 4.56 Gears

DIFFERENTIAL

Part Number: MGR-MGK-213

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545023

Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545023

Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545023

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eaton Electronic ELocker 35 Spline Differential Dana 60/60-HD 14023-010

4 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Wilwood Forged Dynalite Pro Series Rear Disc Brake Kits 140-3018-BD

Disc Brakes, Rear, Cross-Drilled Rotors, 4-Piston Calipers, Ford, 8.8 in., Kit

Part Number: WIL-140-3018-BD

Not Yet Reviewed

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QuickTime Bellhousings RM-8011SFI

Bellhousing, Steel, Black, Ford, Modified, Big Block, Top Loader, T-10, Kit

Part Number: QTI-RM-8011-SFI

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Wilwood D154 Rear Parking Brake Kits 140-12569-D

Disc Brakes, D154, Rear, Rotors, 2-piston Calipers, Black, Parking Brake Provision, Chevy, GMC, Kit

Part Number: WIL-140-12569D

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Holley EFI Hi-Ram Intake Manifolds 300-964

Intake Manifold, EFI Hi-Ram, Multi-port, Aluminum, Natural, Dual Square Bore 4150 Style Mounting, Rectangular Port, Chevy, Big Block, Each

Part Number: HLY-300-964

Not Yet Reviewed

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Edelbrock Performer RPM Air-Gap Intake Manifold and Carburetor Kits 2004

Carburetor and Manifold Combo, Performer RPM Air-Gap Manifold, 800 cfm AVS2 Carb, Chevy, Small Block, Kit

Part Number: EDL-2004

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Doug's Headers D103

Headers, Long Tube, Steel, Ceramic Coated, AMC, V8, Pair

Part Number: DOU-D103

1.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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MSD Pro-Billet Front Drive Distributors 8520

Distributor, Pro-Billet Front Drive, Magnetic Trigger, Mechanical Advance, Chevy, Big Block, Each

Part Number: MSD-8520

Not Yet Reviewed

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RideTech HQ Coilover Kits 11326110

Coilover Kit, G-Body, Single Adjustable, Rear

Part Number: ART-11326110

Not Yet Reviewed

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Dee Zee Liquid Transfer Tanks DZ 91753X

Liquid Transfer Tank, Front of Truck Bed Location, 110 Gallons, Aluminum, Polished, Chevy, Dodge, Ford, GMC, Isuzu, for Nissan, Ram, Toyota, Each

Part Number: DZZ-DZ91753X

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Scat Forged Standard Weight Crankshafts 4-454-3766-6135-C

Crankshaft, Standard Weight, Forged 4340 Steel, 3.766 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445405C

Not Yet Reviewed

Estimated Ship Date: Today

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Wilwood DynaPro Dust-Boot Big Brake Front Brake Kits for 1974-1978 MUSTANG II, 1975-1980 PINTO - 140-13378-D

Disc Brakes, DynaPro Dust-Boot Big Brake, Front, Cross-drilled/Slotted Rotors, Black Calipers, Ford, Kit

Part Number: WIL-140-13378D

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Wilwood Forged Dynalite Big Brake Front Brake Kits 140-15468-DR

Disc Brake Kit, Forged Dynalite Big Brake Front, Cross-Drilled/Slotted Rotors, Four Piston Calipers, Forged Billet Aluminum, Red Powdercoated, Kit

Part Number: WIL-140-15468-DR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Sanderson Headers Zoomie Headers ZOOMIEBBC-SEC

Headers, Zoomies, Steel, Silver Ceramic Coated, 2 1/4 in. Primary Tube, Chevy, Big Block, Pair

Part Number: SNH-ZOOMIEBBCSEC

Not Yet Reviewed

Estimated Ship Date: Today

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Auburn Gear Select-A-Loc 29 Spline Differential AMC Model 20 545007

Differential, Auburn, Locker, 29-Spline, AMC 20, 12-Bolt, Each

Part Number: AUB-545007

Not Yet Reviewed

Estimated Ship Date: Today

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RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel 75-2125S

Clutch Kit, Force 9.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, Small Block, Kit

Part Number: RAM-75-2125S

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

The Right Stuff Street Series Disc Brake Conversion Kits T73DC05Z

Brake Conversion Kit 73-87 C10 Rear Disc Brake Conversion Kit w/Matching Front Rotors & Red Calipers

Part Number: RSD-T73DC05Z

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

LEED Brakes Rear Disc Brake Conversion Kits BRC6001X

Disc Brake Kit, Rear, Manual or Power Assisted, 6 Lug, Cast Iron, Black, Caliper, Chevrolet, GMC, Kit

Part Number: LEB-BRC6001X

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Callies Compstar Crankshafts BBQ-425-CS

Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal/External Balance, Forged 4340 Steel, 4.500 in. Stroke, Large Snout, Chevrolet, 7.4L, Each

Part Number: CPI-BBQ425-CS

Not Yet Reviewed

Estimated Ship Date: Today

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RAM Single Disc Push-Type Conversion Camaro Firebird Clutch Kits for 1993-1997 CAMARO, FIREBIRD - 90-0850

Clutch Conversion, Single Disc, Dual Sided, Organic, Metallic, Sprung Hub, Steel Flywheel, 26-Spline, Throwout Bearing, Chevy, Pontiac, Kit

Part Number: RAM-90-0850

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

SPC Performance Control Arms for 1974-1978 MUSTANG II - 97260

Adjustable Caster, Camber Control Arms, Ford, Mustang II, Pair

Part Number: SPS-97260

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Yukon Gear & Axle Super Joint U-Joints YP SJ-733X-733

Yukon Chromoly Superjoint kit for Dana 60

Part Number: YGA-32088

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Hotchkis Sport Suspension Tubular A-Arms for 1970-1981 CAMARO, FIREBIRD - 1108

Control Arms, Coil/Coilover Ready, Adj. Ride Height, Tubular, Front, Lower, Steel, Black Powdercoated, Chevy, Pontiac, Bolt-On, Pair

Part Number: HSS-1108

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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1978 Parts and Accessories