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

McLeod Steel 153-Tooth Flywheel 460320

Flywheel, Steel, 153-Tooth, 20 lb., Internal Engine Balance, Chevy, Each

Part Number: MCL-460320

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Yokes YY GM3988524

Pinion Yoke, Steel, Spicer 1310 Type, 30-Spline, GM, 8.5 in., Kit

Part Number: YGA-41086

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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USA Standard Gear ZG Series Ring and Pinion Sets ZG GM12T-456T GM 8.875 in. (12-bolt) truck 4.56 Gears

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.56 ratio

Part Number: SPZ-36180

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

B&M Master Racing Overhaul Kits 21042

Automatic Transmission Rebuild Kit, Master Racing, GM, TH350, Kit

Part Number: BMM-21042

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Crown Automotive Ring and Pinion Gears J8127072 AMC Model 20 4.10 Gears

Ring and Pinion Gears, 4.10:1 Ratio, 28-spline, Standard Rotation, AMC Model 20, Set

Part Number: CWA-J8127072

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Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG C8.25-321 Chrysler 8.25 in. 3.21 Gears

Ring and Pinion Gears, 3.21:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36008

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Motive Gear Yokes MG1350-8759

Drive Shaft Pinion Yoke

Part Number: MGR-MG1350-8759

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-373T GM 7.5/7.625 in. 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24480

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG F9-513 Ford 9 in. 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, 10-bolt, 28-spline, Standard Gear Rotation, Ford, 9 in., Set

Part Number: SPZ-36145

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Powertrax Lock-Right Lockers Dana 35 2310-LR

Differential, Lock-Right, Locker, 27-Spline, Dana 35, Each

Part Number: PWT-2310-LR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets F9650 Ford 9 in. 6.50 Gears

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

Part Number: RMG-F9650

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG F9-650 Ford 9 in. 6.50 Gears

USA Standard Ring & Pinion gear set for Ford 9" in a 6.50 ratio

Part Number: SPZ-36153

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

American Powertrain White Lightning Shifters SHWL-20100SR2

Shifter, White Lightning, Short Throw, Billet Aluminum, Magnum T-56, 2.250 in. Offset, Kit

Part Number: AWR-SHWL20100SR2

Not Yet Reviewed

Estimated Ship Date: Today

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USA Standard Gear ZG Series Ring and Pinion Sets ZG F9-389 Ford 9 in. 3.89 Gears

Ring and Pinion Gears, 3.89:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36138

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dana Spicer Drivetrain Products Axle Bearings 10024044

Master Axle Overhaul Bearing Kit; GM 8.5

Part Number: SDH-10024044

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Richmond Gear EXCel Ring and Pinion Sets D44409R Dana 44 4.09 Gears

Ring and Pinion Gears, EXCel, Dana 44, 4.09:1 Ratio, 26-spline, Reverse, for 3.92 or Numerically Higher Ratio Carrier, Front, Dana 44, Ford, Set

Part Number: RMG-D44409R

Not Yet Reviewed

Estimated Ship Date: Today

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Richmond Gear EXCel Ring and Pinion Sets F75410 Ford 7.5 in. 4.10 Gears

Ring and Pinion Kit

Part Number: RMG-F75410

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Powertrax Lock-Right Lockers Toyota 8.0 (7.8) Inch 1610-LR

Differential, Lock-Right, Locker, 30-Spline, Toyota, 8 in., Each

Part Number: PWT-1610-LR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKGM12-P-33

Yukon positraction internals for GM 12 bolt car and truck with 33 spline axles

Part Number: YGA-16040

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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USA Standard Gear ZG Series Ring and Pinion Sets ZG D44R-456R Dana 44 4.56 Gears

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

Part Number: SPZ-36066

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-538 GM 8.5/8.6 in. 5.38 Gears

Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets D44354 Dana 44 3.54 Gears

Ring and Pinion Kit

Part Number: RMG-D44354

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

XClutch Stage 1 Clutch Kits for 1987-1988 200SX, 1975-1978 280Z, 1979-1983 280ZX - XKNI24001-1A

Clutch Kit - Stage 1 Single Sprung Organic Clutch Disc

Part Number: XCL-XKNI24001-1A

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Zoom 30000 Series Clutches 30015

Clutch Kit, Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Kit

Part Number: ZZZ-30015

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Summit Racing™ Clutch Kits SUM-700824

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USA Standard Gear ZG Series Ring and Pinion Sets ZG F9-350 Ford 9 in. 3.50 Gears

Ring and Pinion Gears, 3.50:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36135

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today