Performance & Replacement Transmission & Drivetrain Parts

Ring and Pinion Installation Kit, GM, 8.5 in., 8.6 in., 10-Bolt, Spline Pinion, Kit

Part Number: RMG-8310211

4.25 out of 5 stars ( 40 )

Estimated Ship Date: Today

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Transmission Control Kit GM, 4L60E, 4L65E, 4L80E, 4L85E, Kit

Part Number: SUM-240515

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sun Shell, SmartShell, Heavy Duty Reaction, 4L60, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-77749-02K

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Automatic Transmission Controller, Atomic, Chevy, Ford, Lincoln, Mercury, Each

Part Number: MSD-2760

3.74 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Clutch Kit, RXT Street Twin Disc, 26 Spline, 1.125 in. Input Shaft, Ceramic Disc, Kit

Part Number: MCL-6344907M

Not Yet Reviewed

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Transmission Controller, Chevy, 4L60E, 4L65E, 4L70E, Each

Part Number: NAL-19302405

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: SBB-G56-OFEK

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Torque Converter, ESR Series, 9.50 in. Diameter, 3,800 to 4,000 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR8082

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: SUM-741001

4.37 out of 5 stars ( 35 )

Estimated Ship Date: Today

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Clutch Kit, Super StreetPro, Organic/Ceramic, 1 1/8 in. Diameter Shaft, 26-Spline, 10.5 in. Diameter Disc, Kit

Part Number: MCL-75225

4.76 out of 5 stars ( 21 )

Estimated Ship Date: Today

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U-Joint, Light Duty, Spicer 1350 Style, Steel, 4 Plain Bearing Cap Style, Each

Part Number: SDH-5-1350X

4.86 out of 5 stars ( 36 )

Estimated Ship Date: Today

Driveshaft, Rear, Balanced, One-piece, Assembled, Aluminum, 28-spline Yoke, 79-95 Ford, Mustang, V8. V6, Each

Part Number: SUM-790300

4.8 out of 5 stars ( 80 )

Estimated Ship Date: Today

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Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Ford, Kit

Part Number: IST-EFKM23TKX

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Torque Converter, 2,500 Stall Series, Chrysler, Torqueflite 727, Each

Part Number: HUP-24-25

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.55:1 Ratio, Ford, 8.8 in., Set

Part Number: FMS-M-4209-88355

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Torque Converter, Holeshot, 1,800-2,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20416

4.39 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Yoke, 6-Bolt Adapter Flange Yoke, Tremec TR-6060, Chrysler 210mm Differential, Each

Part Number: SOX-T35ALFY07

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Automatic Transmission Controllers, Sniper EFI, Controller With Power Harness, Sniper 1 applications, Kit

Part Number: SNE-551-101

Not Yet Reviewed

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Automatic Shifter, Hammer Shifter, Chevy, Mopar, Ford, Each

Part Number: BMM-80885

4.43 out of 5 stars ( 63 )

Estimated Ship Date: Today

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Flexplate, Black, Black Label Edition, 168-Tooth, Internal Engine Balance, SFI 29.1, Chevrolet, LS, Each

Part Number: PQX-2036471

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Third Member, 3.89:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT389S50

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Pan, Stock Depth, Aluminum, Polished, Finned, TH350, GM, Chevy, Oldsmobile, Pontiac, Each

Part Number: SUM-G3890

3.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

Transmission Dipstick, Braided Stainless Steel Tube, Tumble Polished Handle, Firewall Mount, TH350. TH400, Case Fill, Each

Part Number: SUM-702201

4.82 out of 5 stars ( 39 )

Estimated Ship Date: Today

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