1973 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

USA Standard Gear ZG Series Ring and Pinion Sets ZG F8-355 Ford 8 in. 3.55 Gears

USA Standard Ring & Pinion gear set for Ford 8" in a 3.55 ratio

Part Number: SPZ-36117

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG M20-456 AMC Model 20 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 38-spline, Standard Ring Gear Rotation, AMC Model 20, Set

Part Number: YGA-24176

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

Yukon Gear & Axle Yokes YY C4137976

Yukon yoke for Chrysler 7.25" and 8.25" with a 7290 U/Joint size.

Part Number: YGA-41005

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

Yukon Gear & Axle Ring and Pinion Gears 13417

D50; D60; D70 HD NODULAR IRON YUKON COVER; PURPLE **LIMITED EDITION**

Part Number: YGA-13417

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

American Powertrain Science Friction 164-Tooth Flywheel FWAM-10003

Flywheel, Custom Order, Billet Steel, 164-tooth, External Bal., Specify AMC 304/360 and Crank Register, Each

Part Number: AWR-FWAM10003

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Call to Order

American Powertrain Science Friction 168-Tooth Flywheel FWCV-10003

Flywheel, Billet Steel, 168-Tooth, Chevy, 7.4, 8.1L, 2-Piece Seal, Each

Part Number: AWR-FWCV10003

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK D70-U

USA Standard Master Overhaul kit Dana 70 U differential

Part Number: SPZ-37024

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

USA Standard Gear ZG Series Ring and Pinion Sets ZG C8.89-390 Chrysler 8.75 in. 489 case 3.90 Gears

USA Standard Ring & Pinion gear set for Chrysler 8.75" in a 3.90 ratio

Part Number: SPZ-36016

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

USA Standard Gear ZG Series Ring and Pinion Sets ZG D60-456 Dana 60 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36076

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

USA Standard Gear ZG Series Ring and Pinion Sets ZG D30-308 Dana 30 3.08 Gears

Differential Ring and Pinion, USA Standard Ring & Pinion replacement gear set for Dana 30 in a 3.08 ratio

Part Number: SPZ-36347

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

Yukon Gear & Axle Full Spools YP FSF9-35

Spool, Steel, 35 Spline, Ford 9 in., Each

Part Number: YGA-32047

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

Yukon Gear & Axle Bearing Kits BK C8.75-F

Yukon Bearing install kit for Chrysler 8.75" four pinion (#89) differential

Part Number: YGA-11010

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

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKGM7.5-P-26

Yukon positraction internals for 7.5" and 7.625" GM with 26 spline axles

Part Number: YGA-16116

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

Yukon Gear & Axle Mini Spools YP MINSGM14T-30

Spool, Mini, 30-spline, Steel, GM 10.5 in. (14-bolt), Each

Part Number: YGA-32301

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

USA Standard Gear Axle Shafts ZA W39529

4340 Chromoly axle, 69-80 GM Truck, LH Inner, uses 5-760X u/joint

Part Number: SPZ-35093

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

USA Standard Gear Master Overhaul Kits for 1960-1990 LAND CRUISER - ZK TLC-A

USA Standard Master Overhaul kit Toyota, 9.5 in., Kit

Part Number: SPZ-37082

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

USA Standard Gear ZG Series Ring and Pinion Sets ZG M20-456 AMC Model 20 4.56 Gears

USA Standard Ring & Pinion gear set for Model 20 in a 4.56 ratio

Part Number: SPZ-36231

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

Dana Spicer Drivetrain Products Differential Carrier Bearings 10046199

STANDARD AXLE DIFFERENTIAL BEARING AND SEAL KIT - FORD 9 INCH AXLE

Part Number: SDH-10046199

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Dana Spicer Drivetrain Products Spools and Mini Spools 2022501

Performance Spool (Ford 9" 31 Spline)

Part Number: SDH-2022501

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

South Bend Clutch Stage 2 Daily Driver Clutch Kits KF224-01-HD-TZ

Clutch Kit, Stage 2 Daily Driver, Single, 0.810 in. - 24-spline, Kevlar® Disc, Pressure Plate, Volkswagen, 1.6L, Kit

Part Number: SBB-S1204

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

South Bend Clutch Stage 2 Daily Driver Clutch Kits KF242-01-HD-O

Clutch Kit, Stage 2 Daily Driver, Single, 1.000 in. - 10-spline, Organic Disc, Pressure Plate, Volvo, Kit

Part Number: SBB-S1331

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

South Bend Clutch Stage 2 Drag Race Clutch Kits KF224-01-HD-DXD-B

Clutch Kit, Stage 2 Drag Race, Single, 0.810 in. - 24-spline, Ceramic Disc, Pressure Plate, Volkswagen, 1.6L, Kit

Part Number: SBB-S1205

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Yukon Gear & Axle 10 Bolt Dana 60 Differential Cover YP C2-D60-STD

Differential Cover, 10-bolt, Aluminum, Polished, Dana 60, Reverse Rotation Only, Each

Part Number: YGA-32024

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Dorman Ring and Pinion Installation Kits 697-106

Ring and Pinion Bearing Installation Kit

Part Number: RNB-697-106

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

Dorman Driveshafts for 1974 BLAZER, 1973-1981 JIMMY - 986-234

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-986-234

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