Performance & Replacement Transmission & Drivetrain Parts

Spider Gear Kit, Open Differential, G7.625 in., 28 Spline, Kit

Part Number: YGA-16049

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Automatic Transmission Rebuild Kit, Master Racing, Ford, Lincoln, Mercury, C-4, Kit

Part Number: TCI-529500

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Transmission Upgrade Kit, Shift Improver, GM, TH400, TH375, M40, Each

Part Number: BMM-20260

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, Dodge, Jeep, Kit

Part Number: CTF-DF193890

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Ring and Pinion Installation Kit, Ford, 8.8 in., 10-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-8310431

4.0 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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GM 4L60, HIGH PERF

Part Number: SOX-77733-10SB

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Automatic Transmission Rebuild Kit, Master Repair Kit, Includes Clutches, Gaskets, Seals, Filter, Ford, Lincoln, Mercury, C4, Kit

Part Number: ATP-FMS24

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Spider Gears, Side Gears, Thrust Washers, Cross Shaft Pin, Open, 30 Spline, Rear, Jeep, Dana 44, Kit

Part Number: YGA-16137

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Estimated Ship Date: Tomorrow

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Clutch Kit, Organic, 1-1/8 in. Shaft, 26-Spline, 10-3/8 in. Diameter Disc, GM, Chevy, Kit

Part Number: SUM-700812

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Dual Friction, 1.125 in-26-Spline Input, 11 in. Organic/Carbon Disc, Chevy/Pontiac, 3.4, 3.8, 5.7L

Part Number: CTF-DF039020

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Powergrip, Metallic/Organic, 1 1/8 in.- 10-Spline, 11 in. Disc, GM, L6, V8, Kit

Part Number: RAM-98762

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Shifter Installation Kit, Competition Plus, Top Loader, 433, Ford, Mercury, Kit

Part Number: HUU-3735587

3.8 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Clutch Kit, 11.000 in. Diameter, Heavy Duty, Full Face Disc Disc, Jeep, JK, Kit

Part Number: ACL-JP4-HDSS

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Stage 2, Organic, 1 in. Diameter Shaft, 24-Spline, 9.500 in. Diameter Disc, Throw-out Bearing, Alignment Tool, Subaru, Kit

Part Number: CCX-15030-2100

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Transfer Case Rebuild Kits, NP231 T-CASE BEARING KIT, WIDE INPUT BRG

Part Number: SPZ-73873

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Automatic Transmission Rebuild Kit, Heavy-Duty, Dodge, 46RE, 47RE, 48RE, Kit

Part Number: SUM-705048

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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SUPER KIT

Part Number: PIO-753024

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Ring and Pinion Installation Kit, Dana 60, 10-Bolt, 29-Spline Pinion, Kit

Part Number: RMG-8310341

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Ring and Pinion Gear Installation Kit, Master Overhaul, 31 Spline, Ford 10.5 in., Kit

Part Number: YGA-14044

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Servo Piston Kit, 2nd Gear Servo Type, Billet Aluminum, Ford, C-6, Kit

Part Number: SOX-K36528R

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Shift Kit, Automatic Type, Ford, C-6, Towing, Competition, Heavy Duty, Gas Engines, Each

Part Number: TRG-67-1-2

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 21-Spline, 10 in. Diameter Disc, Toyota, Kit

Part Number: CTF-DF505019

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manual Transmission Bearing and Seal Overhaul Kit, Manual Transmission Bearing and Seal Overhaul Kit

Part Number: SPZ-ZMBK235BWS

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Transmission Bearing and Seal, M5R1 Kit Aerostar/Bronco II/Explorer/Sport Trac/Ranger Plus Mazda B2300/B2500/B3000/B4000/Navajo 5-Speed Manual Trans

Part Number: SPZ-74679

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Estimated Ship Date: Mar 30, 2026 if ordered today

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