1990 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Yukon Gear & Axle 14 Bolt GM 10.5 Inch Differential Cover YHCC-GM14T-S

Differential Cover, 14-bolt, Nodular Iron, Black Powdercoated, GM 10.5 in. (14-bolt), Chevrolet, GMC, Each

Part Number: YGA-29105

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Yukon Gear & Axle Spline Differential Carrier Cases GM 8.25 Inch, IFS YC G26067130

Differential Carrier, Open, GM 8.25 in. IFS, Cadillac, Chevy, GMC, 3.42 and up, Each

Part Number: YGA-20131

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 10, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 10, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F10.25-538L Ford 10.25 in. 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 31-spline, Standard Rotation, Long Spline Design, Ford 10.25 in., Set

Part Number: SPZ-36112

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 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: Mar 10, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 10, 2026 if ordered today

Sachs Stock Replacement Clutch Kits K1909-02HD

Clutch Kit, Stock Replacement, 1.125 in. - 10-spline Input, Heavy-duty Disc, 12.00 in. Diameter, Pressure Plate, Checker, Chevy, GMC, Pontiac, Kit

Part Number: SXR-K1909-02HD

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Hybrid Racing Short Shifter Assemblies HYB-SAS-01-32

Shifter, Manual, Short Shifter Assembly, Red, for use on Acura®, for use on Honda®, Each

Part Number: HYB-HYBSAS0132

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

TCI PRO-X TH400 Aluminum Tailhousings 226405

TCI PRO-X TH400 Aluminum Tailhousings 226405

Tailshaft Housing, Aluminum, GM, TH400, Each

Part Number: TCI-226405

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Richmond Gear EXCel Ring and Pinion Sets CR925390 Chrysler 9.25 in. 3.90 Gears

Ring and Pinion Kit

Part Number: RMG-CR925390

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 26, 2026 if ordered today

American Powertrain White Lightning Shifters SHWL-10100SR1

Shifter, White Lightning, Short Throw, Billet Aluminum, Tremec TKO 500/TKO 600, 1.000 in. Offset, Kit

Part Number: AWR-SHWL10100SR1

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Richmond Gear Ring and Pinion Sets 49-0044-1 GM 7.5/7.625 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900441

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Yukon Gear & Axle Cut-to-Fit Axle Shafts YA WFF30-36.5

Axle Shaft, Cut To Fit, Rear, 4340 Chromoly, 30 Spline, 34-36.5 in. Length, Dana 60, Pickup, Each

Part Number: YGA-21708

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Motive Gear Performance Ring and Pinion Sets G875390 GM 7.5/7.625 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 7.5 in./7.625 in., Standard Rotation, Set

Part Number: MGR-G875390

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Boss Hog Night Stalker Torque Converters for 1997-2005 CORVETTE - 4844HD

Torque Converter, Night Stalker, 12 in. Diameter, Lockup, Truck/Towing, GM, 700R4 , Each

Part Number: APE-4844HD

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

RAM Powergrip HD Clutch Kits 98390HDT

Clutch Kit, Powergrip HD, Metallic, 10.50 in., Diaphragm Pressure Plate, Tremec Conversion, Mopar, Small Block LA, Hemi, Kit

Part Number: RAM-98390HDT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Hurst Billet/Plus Shifters for 1983-1991 COUGAR, THUNDERBIRD, 1983-2004 MUSTANG - 3915031

Manual Shifter, Billet/Plus, Ford, Mercury, Each

Part Number: HUU-3915031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

American Powertrain Science Friction 168-Tooth Flywheel FWCV-10004

Flywheel, Science Friction, 168-Tooth, 24.4 oz. External balance, Billet Steel, 11 in. Diameter, for 1-Piece Rear Main Seal, Chevrolet, Each

Part Number: AWR-FWCV10004

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets TL95411 Toyota 9.5 in. 4.11 Gears

Ring and Pinion, RP TOYOTA LANDCRUISER 4.11

Part Number: RMG-TL95411

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

Steeda Tremec T-56 Tri-Ax Shifters for 1979-2004 MUSTANG - 555-7473

Shifter, Manual Transmission, Ford, Cobra, Each

Part Number: SDA-555-7473

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Advance Adapters Ford to Chevy Transmission Bellhousing Adapters 712588-B

Bellhousing Adapter, Aluminum, Kit

Part Number: ADD-712588-B

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Powertrax Lock-Right Lockers Toyota 8.0 (7.8) Inch 1620-LR

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

Part Number: PWT-1620-LR

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 27, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 27, 2026 if ordered today

Motive Gear Ring and Pinion Sets D44-307 Dana 44 3.07 Gears

Gear, Ring and Pinion, 3.07:1 Ratio, Dana 44, Standard Rotation, Set

Part Number: MGR-D44-307

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

ACT Prolite Xact 112-Tooth Flywheel 600255

Flywheel, Forged Steel, 112-Tooth, 10.4 lb., Internal Engine Balance, Mazda, 1.6L, Each

Part Number: ACL-600255

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Yukon Gear & Axle Ring and Pinion Sets YG D44-456 Dana 44 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24036

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

Yukon Gear & Axle Ring and Pinion Sets YG D44R-456R Dana 44 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24054

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

...Loading

Estimated Ship Date: Monday 2/9/2026

McLeod 500 Series Clutch Discs 260573

Clutch Disc, Metallic, 1 1/8 in. 26-Spline, 12.0 in. Disc, Each

Part Number: MCL-260573

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 9, 2026 if ordered today