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

Eaton Detroit Truetrac 30 Spline Differential GM 10.5 Inch (14-bolt) 915A545

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.62 out of 5 stars ( 13 )

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Summit Racing™ Cummins to GM Bellhousing Adapters SUM-770380

Bellhousing Adapter, Conversion, Cummins to GM, Billet Aluminum, 141-tooth Flexplate, Kit

Part Number: SUM-770380

3.87 out of 5 stars ( 15 )

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QuickTime Bellhousings RM-6065

Bellhousing, Steel, Black, Ford, Small Block, Cleveland, T-5, TKO, 3550, Kit

Part Number: QTI-RM-6065

5.0 out of 5 stars ( 6 )

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FTI Performance SRL Series Billet Lockup 2,800-3,000 Stall Torque Converter SRLT3082

GM TORQUE CONVERTER 4L60/4L60E/700R4, 30 SPLINE 2800-3000 STALL

Part Number: FTI-SRLT3082

Not Yet Reviewed

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Eaton Electronic ELocker 27 Spline Differential Dana 30 19818-020

Differential, Electronic Locker, ELocker, 27-Spline, Dana 30, 3-Series, Each

Part Number: ETN-19818-020

Not Yet Reviewed

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ARB Air Locker 30 Spline Differential Dana 44 RD116

Differential Carrier, Air Locker, Nodular Iron, 30-spline, Dana 44, Kit

Part Number: ARB-RD116

Not Yet Reviewed

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Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10091LS

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10091LS

Torque Converter, Lockup, Balanced, Billet Cover and Piston,10 in., 4L80E, GM, Small Block Chevy, Each

Part Number: TOS-10091LS

Not Yet Reviewed

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McLeod RXT 1200 Clutch Kits 6923-07HD

Clutch Kit, RXT 1200, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Chevy, Ford, Pontiac, Kit

Part Number: MCL-6923-07HD

Not Yet Reviewed

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ARB Air Locker 35 Spline Differential Dana 60-HD RD167

Differential Carrier, Air Locker, Nodular Iron, Dana 60-HD, Kit

Part Number: ARB-RD167

Not Yet Reviewed

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ARB Air Locker 35 Spline Differential Dana 60-HD RD166

Differential Carrier, Air Locker, Nodular Iron, Dana 60-HD, Kit

Part Number: ARB-RD166

Not Yet Reviewed

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ARB Air Locker 30 Spline Differential Dana 44 RD117

Differential Carrier, Air Locker, Nodular Iron, 30-spline, Dana 44, Kit

Part Number: ARB-RD117

5.0 out of 5 stars ( 2 )

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Yukon Gear & Axle Grizzly Lockers Dana 60 YGLD60-3-35

Grizzly Locker, Dana 60, 35 Spline, 4.10 Down Ratio, Each

Part Number: YGA-28003

Not Yet Reviewed

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QuickTime Bellhousings RM-8074

Bellhousing, Quick Time, SFI Approved, Chrysler, Small Block, to GM T-56 Transmission, Kit

Part Number: QTI-RM-8074

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Auburn Gear Select-A-Loc 30 Spline Differential Dana 50 545020

Differential, Select-A-Loc, 30-Spline, Dana 50, 10-Bolt, Each

Part Number: AUB-545020

4.0 out of 5 stars ( 1 )

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McLeod RXT Street Twin Clutch Kits for 1986-2001 MUSTANG - 6923-07C

Clutch Kit, RXT, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Ford, 302, 351W, Kit

Part Number: MCL-6923-07C

4.5 out of 5 stars ( 2 )

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ARB Air Locker 30 Spline Differential GM 10.5 Inch (14-bolt) RD114

Differential Carrier, Air Locker, Nodular Iron, 30-spline, Rear, GM 10.5 in. (14-bolt), Chevy, GMC, Kit

Part Number: ARB-RD114

Not Yet Reviewed

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Yukon Gear & Axle Muscle Car Limited Slip and Re-Gear Kits YGK2336

Ring and Pinion and Differential Combo, GM 8.5 in., 3.42:1 Ratio, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: YGA-12627

Not Yet Reviewed

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ARB Air Locker 33 Spline Differential AAM 9.25/9.50 14-bolt RD197

Differential Carrier, Air Locker, Nodular Iron, Kit

Part Number: ARB-RD197

5.0 out of 5 stars ( 2 )

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South Bend Clutch Dyna Max Organic Feramic Clutch Kits 13125-OFEK

Clutch Kit, Organic/Feramic, Clutch, Press. Plate, Flywheel, Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-13125-OFEK

Not Yet Reviewed

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QuickTime Bellhousings RM-8011SFI

Bellhousing, Steel, Black, Ford, Modified, Big Block, Top Loader, T-10, Kit

Part Number: QTI-RM-8011-SFI

5.0 out of 5 stars ( 2 )

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Eaton Electronic ELocker 27 Spline Differential Dana 35 19821-020

Differential, Dana 35; Eaton Elocker ; 27 Spline; 1.18 in. Axle Shaft Diam; 3.54 And Up Rng Gear Pin Rat; Fr Dana 35; Rear Dana 35;

Part Number: ETN-19821-020

Not Yet Reviewed

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ARB Air Locker 27 Spline Differential Dana 30 RD100

Air Locker, Dana 30, 27-Spline, 3.73 and Up Ratio, Each

Part Number: ARB-RD100

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eaton Electronic ELocker 27 Spline Differential Dana 30 19818-020

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RAM Dual Disc Push-Type Conversion C4 Corvette Clutch Kits for 1989-1991 CORVETTE - 75-2173S

Clutch Conversion, Dual Disc, Organic, Sprung Hub, Corvette, LT1, Kit

Part Number: RAM-75-2173S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

RAM Force 10.5 Dual Disc Clutch Kits 80-2170S

Clutch Kit, Force 10.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, GMC, 7.4L, Kit

Part Number: RAM-80-2170S

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

South Bend Clutch Dyna Max Street Dual Disc Clutch Kits SDD3250-5G

Clutch Kit, Organic/Ceramic, Clutch, Pressure Plate, Throw-out Bearing, Hardware, Dodge, Kit

Part Number: SBB-SDD3250-5G

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today