Performance & Replacement Transmission & Drivetrain Parts

Clutch Kit, 450 Street, 10.5 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1100

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Clutch Master Cylinder, Hydraulic Throwout Bearing Conversion, Firewall Kit Only, Cast Aluminum, Black, Ford, Kit

Part Number: MCL-14-330-01

5.0 out of 5 stars ( 4 )

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Shifter Components, Heavy-Duty Transfer Case Shift Cable Conversion Kits, Shifter Cable, Jeep, L6 Power-Tech, Kit

Part Number: BMM-81186

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Axles, 5-Lug Conversion, GM 12-Bolt Truck, 5 x 5 in. Bolt Circle, 1541H Alloy Steel, Chevy, GMC, Kit

Part Number: YGA-21835

4.19 out of 5 stars ( 16 )

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Clutch Master Cylinder, Firewall Kit Only, Hydraulic, Cast Aluminum, Black, Chevy, Kit

Part Number: MCL-1434003

3.43 out of 5 stars ( 7 )

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Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1102

5.0 out of 5 stars ( 1 )

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Axle Shafts, Rear Axle Conversion, C-clip Type, Steel, GM 8.875 in. Truck, Chevy, Pair

Part Number: CLP-70RAC-5

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Axle Shafts, Rear Axle Conversion, 6-lug To 5-lug, C-clip, 5 x 5.00 in. Wheel Stud Pattern, Chevy, GMC, Kit

Part Number: CLP-70RACK

3.0 out of 5 stars ( 2 )

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Transmission Bracket, TTVA Conversion, Steel, Black, 47RE, 48RE, Each

Part Number: RVM-478-947

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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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1968-72 Camaro, Nova, Impala; Powerglide to TH350; TH400 Cable Installation Conversion Set

Part Number: OER-SCK3511

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

Part Number: SBB-FCSDD32505

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Axle Conversion, Rear, With Limited Slip Differential, 3.73 and Up ratio, 5 x 5.00 in. Bolt Circle, GM, Kit

Part Number: HUU-02-123

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Clutch Conversion, Force 9.5, Dual Disc, Organic, Sprung Hub, Steel Flywheel, 1 1/8 in. Diameter Shaft, 26-Spline, Throwout Bearing, Chevy, Kit

Part Number: RAM-75-2176S

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Clutch Conversion, Single Disc, Organic, Sprung Hub, Steel Flywheel, 1 1/8 in. Diameter Shaft, 26-Spline, Throwout Bearing, Chevy, Pontiac, Kit

Part Number: RAM-90-0860

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Clutch Master Cylinder, Firewall Kit Only, Adjustable, Cast Aluminum, Black, Chevy, Kit

Part Number: MCL-1434001

3.33 out of 5 stars ( 3 )

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Clutch Conversion, Force 9.5, Dual Disc, Organic, Sprung Hub, Steel Flywheel, 1 1/8 in. Diameter Shaft, 26-Spline, Throwout Bearing, Chevy, Kit

Part Number: RAM-75-2174S

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Clutch Kit, Conversion Clutch Kit, Single, 1.250 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Dodge, 5.9L Diesel, 6.7L Diesel, Kit

Part Number: SBB-FC19445OKHD

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Axle Conversion, Rear, 5 x 5.00 in. Bolt Circle, Chevy, GMC, Kit

Part Number: HUU-02-121

5.0 out of 5 stars ( 1 )

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Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.000 in. - 23-spline, 10.500 in. Sintered Metallic Disc Diameter, Chrysler, Dodge

Part Number: HAY-92-3011

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 10.500 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1100

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Lockup Converter Eliminator Kit - 700-R4/4L60 Conversion Valve

Part Number: HUP-HP3735

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Automatic Transmission Modulator Upgrade, 4L80E, Vacuum Pressure Control, Kit

Part Number: TRG-48-MOD

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Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 10.500 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1002

5.0 out of 5 stars ( 2 )

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Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Lever, Dodge, Jeep, Plymouth, Kit

Part Number: HAY-91-3106

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