Performance & Replacement Transmission & Drivetrain Parts

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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Clutch Kit, RST Twin Disc Power Pack, 23-Spline, 1 in. Input Shaft Diameter, 9.688 in. Disc Diameter, Metallic Disc, Unsprung Hub, Kit

Part Number: MCL-6435825

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Yoke, Transmission, Cast Steel, 27-Spline, 1350, 200-4R/4L60/4L60E/700R4/Muncie/Powerglide/TH350/Brinn, Each

Part Number: SUM-731000

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Today

Axles, Direct Fit, 1541H Steel, 28-Spline, C-Clip, Chevy, 8.2 in., 8.5 in., Kit

Part Number: SUM-700116

4.88 out of 5 stars ( 50 )

Estimated Ship Date: Today

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Bellhousing, QuickTime, Steel, SFI Approved, Chevy, LS to Chevy LS T-56 Transmission, Kit

Part Number: QTI-RM-8020

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Differential, Trac-Lok, 31-Spline, Ford, 8.8 in., Each

Part Number: FMS-M-4204-F318C

4.92 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Transmission, Manual, Super T-10 4-Speed, GM, V8, Each

Part Number: RMG-1304000070

3.0 out of 5 stars ( 5 )

Estimated Ship Date: Nov 14, 2025 if ordered 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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Automatic Shifter, GM, 6L80, 8 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-ES6L80EM

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Torque Converter, Breakaway, Chevy, TH350/TH400, Each

Part Number: TCI-240900

4.29 out of 5 stars ( 24 )

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-75207

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, GM, Kit

Part Number: CTF-DF148552

4.75 out of 5 stars ( 20 )

Estimated Ship Date: 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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Shifter, Short Throw, Black Anodized Flat Stick, Black Knob, Each

Part Number: BAA-BC-0914-1FBB

4.86 out of 5 stars ( 72 )

Estimated Ship Date: Today

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Throwout Bearing, Hydraulic, 1.375 in. Diameter, GM Muncie,T-10, Saginaw, Tremec TKX/TKO, Kit

Part Number: SUM-7001111

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Slip Yoke Eliminator, Jeep, Kit

Part Number: RTO-RT24004

4.0 out of 5 stars ( 3 )

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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Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-1947-OK-HD

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Manual Shifter, Precision Sport, Jeep, Each

Part Number: BMM-45195

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Automatic Shifter, Winters Sidewinder, Forward Pattern Valve Body, Standard Gate, GM, 700R4, 4L60, 4L60E, Each

Part Number: WPP-177-1

4.53 out of 5 stars ( 34 )

Estimated Ship Date: Today

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Transmission Dipstick, Braided Stainless Housing, Aluminum, Black Anodized Handle, 6L80E, Each

Part Number: LOK-XTD-36L80FM

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Shift Linkage, Billet Aluminum, Column Arm, 700R4, 4L60, Each

Part Number: LOK-ACA-1811

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, 28-Spline, GM 7.5 in., Each

Part Number: ETN-912A317

4.31 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20412

3.8 out of 5 stars ( 15 )

Estimated Ship Date: Today

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