1978 Transmission & Drivetrain

Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: YGA-24159

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Differential Carrier, Standard Open, Loaded, Dana 35, 3.31 and Down Ratio, Each

Part Number: YGA-20064

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 3.08 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10680

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Bellhousings, New, Aluminum, Natural, Tremec/Ford, Manual, Kit

Part Number: LAK-LK9000K

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Estimated Ship Date: May 1, 2026 if ordered today

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Adapter Kit Chrysler B/RB 8 Bolt Driver Side Starter To Turbo/Powerglide

Part Number: ATI-915290

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Clutch Kit, 11.000 in. Diameter, Heavy Duty, Street, Buick, Chevy, GMC, Oldsmobile, Pontiac, V8, Kit

Part Number: ACL-GM6-HDSS

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, GM, 8.5 in., 8.6 in., Each

Part Number: AUB-546050

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Ring and Pinion Gears, 3.73:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: YGA-24019

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Estimated Ship Date: May 1, 2026 if ordered today

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Gear, Ring and Pinion, 3.70:1 Ratio, Chevy, 8.20 in., 1963-1979 Corvette, 3 Series, Set

Part Number: RMG-4900231

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, 30-Spline, Toyota, 8 in. Rear, Each

Part Number: ETN-913A611

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Automatic Transmission Direct Drum, Steel, Vaccu Melt 300 Input Shaft, Chevy, TH400, Kit

Part Number: TCI-223600

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Automatic Transmission Valve Body, Full Manual, Billet Aluminum, Forward, TH400, Each

Part Number: ATI-403086

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Locking Hubs, Aluminum, 19-spline, Dana 44, Chevy, Ford, GMC, Set

Part Number: YGA-29095

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Valve Body, Trans-Brake, Full Manual, Reverse Pattern, Chevy, TH400, Each

Part Number: HUP-HP2215

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM400, Buick, Chevy, Each

Part Number: HAY-97-1D28Q

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Axle Shafts, Rear, 29-spline Inner, Bolt-in, 1541H Alloy Steel, Bearings, AMC Model 20, Jeep, 4WD, Kit

Part Number: YGA-21393

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Differential Carrier, Positraction, Nodular Iron, Ford 8.8 in., 28 Spline, Each

Part Number: SUM-730942

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Estimated Ship Date: Today

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Flywheel, Steel, 164-Tooth, 30 lb., External Engine Balance, AMC 1972-79, 304, Each

Part Number: HAY-16-132

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Clutch Kit, DFX, Performance, Single Disc, 26-Spline, 1.125 in. Diameter, 11 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315148552

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 21, 2026 if ordered today

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Axle Shaft, Direct Fit, Front, 4340 Chromoly, Chevy, GMC, SUV, Pickup, Each

Part Number: MGR-MG22172

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, 2,400 rpm Advertised Flash Stall, TH400, Each

Part Number: HAY-97-1D24Q

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Ring and Pinion Gears, 3.54:1 Ratio, 28-spline, Standard Rotation, AMC Model 20, Set

Part Number: YGA-24522

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Estimated Ship Date: May 4, 2026 if ordered today

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Shifter, 1977-82 C3 Corvette, 3 or 4-Spd Auto Shifter Package, TH350, TH400, 200-4R, THM700-R4, 4L60E, 4L65E, 4L70E, 4L75E, 4L80E, 4L85E

Part Number: SIW-SW270-C3B

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 8 in., Set

Part Number: MGR-F880411

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0054-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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