1978 Transmission & Drivetrain

Axle Shaft, Front Inner, 4340 Chromoly, 30 Spline, 18.31 in. Length, Dana 44, Each

Part Number: YGA-21353

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USA Standard steel spool for Model 20 with 29 spline axles, 3.08 & up

Part Number: SPZ-59020

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SVL-2023932

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Hydraulic Clutch Master Cylinder Kit 1973 1984 Chevy C/K Trucks

Part Number: IST-HGC103MK

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Ring and Pinion Gears, EXCel, 3.73:1 Ratio, 30-spline, Standard Rotation, GM 10.5 in., Chevy, GMC, Rear, Set

Part Number: RMG-GM105373

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Estimated Ship Date: Apr 20, 2026 if ordered today

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CLUTCH KIT

Part Number: RAM-88390HDT

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Flywheel, Billet Steel, 168-Tooth, Internal Engine Balance, 39.000 lbs., 2-Piece Rear Main Seal, SFI 1.1, Chevy, V8, Each

Part Number: RAM-1502

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Ring and Pinion Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36211

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Clutch Kit, Dual Friction, Performance, Single Disc, 10-Spline, 1.125 in. Diameter, 280mm Disc Diameter, Organic/Carbon Composite, Sprung Hub, Kit

Part Number: CTF-DF735473S

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Gear, Ring and Pinion, 7.16:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890716AX

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Flywheel, Billet Steel, 164-Tooth, Internal Engine Balance, 27.000 lbs., SFI 1.1, Ford, V8, Each

Part Number: RAM-1507LW

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Flywheel, Science Friction, Billet Steel, 168-tooth, 11 in. Clutch, SFI Rated, External Balance, Chevy, Small Block, 383, 400, 2-Piece Rear Main, Each

Part Number: AWR-FWCV10002

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Estimated Ship Date: May 28, 2026 if ordered today

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Differential, No-Slip Traction System, 28-Spline, Ford, 8 in., Each

Part Number: PWT-92-0680-2800

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Gear, Ring and Pinion, EXCel, 4.71:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9471

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36044

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Estimated Ship Date: Apr 17, 2026 if ordered today

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

Part Number: SPZ-36024

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Estimated Ship Date: Apr 17, 2026 if ordered today

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SUPER KIT

Part Number: PIO-753026

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900051

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Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 12 in. Disc, Chevy/GMC, Pickup, SUV, Van, 5.0, 5.7, 7.4L, Kit

Part Number: RAM-88793

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Pressure Plate, Centerforce II, Diaphragm-Style, 11 in. Disc Diameter, Each

Part Number: CTF-CFT361800

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: YGA-24140

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in./7.625 in., 2 Series, Set

Part Number: MGR-G875308

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Flywheel, Aluminum, 12.0 lbs. 153-Tooth, Internal/External Engine Balance, Chevy, Each

Part Number: MCL-560300

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Estimated Ship Date: May 4, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Flywheel, Aluminum, 12.0 lbs., 168-Tooth, Internal/External Balance, Chevy, Each

Part Number: MCL-560132

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Estimated Ship Date: Apr 28, 2026 if ordered today

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