Transmissions & Transmission Parts

Shiftworks Automatic Transmission Shift Kits C350-RVB

Conversion Kit, 1968-69 Impala 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-RVB

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Shiftworks Automatic Transmission Shift Kits SC2243-RVB

Conversion Kit, 1971-72 Chevelle 4-Spd Auto Reverse Valve Body Factory Shifter Conversion Kit, features Slap-Shift

Part Number: SIW-SC2243-RVB

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Shiftworks Automatic Transmission Shift Kits C350-3RVB

Conversion Kit, 1971-72 Chevelle 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-3RVB

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

ATS Diesel Performance Automatic Transmissions 319-914-2416

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 1 Transmission Build Replaces 4 Wheel Drive 68RFE 2015-2018 ATS Diesel Performance

Part Number: APF-319-914-2416

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ATS Diesel Performance Automatic Transmissions 319-955-2392

Transmission Conversion Kit, ATS Full Allison Conversion Kit Stage 5 Transmission Build Replaces 4 Wheel Drive 2013-2018 ATS Diesel Performance

Part Number: APF-319-955-2392

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Sonnax Extreme Duty Output Shaft 22173D-01

Automatic Transmission Output Shafts, Extreme Duty, 29 Spline, Ideal for 68RFE to 48RE Conversions, 1.480 in. Dia., No Input Gear, 47RE, 48RE, Each

Part Number: SOX-22173D-01

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hughes Performance Flexplates and Flywheels HP1491F8

Hughes Performance Flexplates and Flywheels HP1491F8

Flexplate, SFI Approved, Mopar 8 Bolt, Zero Balance, P/G Conversion, 130 Tooth

Part Number: HUP-HP1491F8

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Shiftworks Automatic Transmission Shift Kits SC2242-RVB

Conversion Kit, 1968-70 Chevelle 4-Spd Auto Reverse Valve Body Factory Shifter Conversion Kit, features Slap-Shift

Part Number: SIW-SC2242-RVB

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

American Powertrain Flywheels FWCV-11008

153T Billet Steel Conversion Flywheel for use with LT1 T-56 Pull-Style Clutch, 2-piece crank seal, 1.700 depth

Part Number: AWR-FWCV11008

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

American Powertrain Flywheels FWCV-11007

153T Billet Steel Conversion Flywheel for use with LT1 T-56 Pull-Style Clutch, 2-piece crank seal, 1.700 depth

Part Number: AWR-FWCV11007

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

RAM Competition Pressure Plates for 1989-1996 CORVETTE - 401C

Pressure Plate, Diaphragm-Style, 10.5 in. Disc Diameter, C4 Conversion, Chevrolet, Each

Part Number: RAM-401C

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

California Pony Cars Flexplates TRA-650-710

1965-1970 FLEXPLATE 164 TOOTH , 28 OZ. FOR 289/302/351 C-4 OR AOD CONVERSION, 14.23 O.D.

Part Number: CPO-TRA-650-710

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

California Pony Cars Bellhousing Adapters TRA-067-646

6 CYL T-5 CONVERSION KIT "G"

Part Number: CPO-TRA-067-646

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

J.W. Performance Transmissions Automatic Transmission Adapter Kits and Components 40120

C-6 TO C-4 CONVERSION SLEEVE KIT

Part Number: JPT-40120

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

SPEC Super Twin Multi-Disc Clutch and Flywheel Kits SC45PT-8

Clutch Kit, Super Twin, Conversion, P-Trim, Carbon Composite, 6-Paddle/Unsprung Hub, Chevy, Small Block, Porsche, Kit

Part Number: SXC-SC45PT-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

ATS Diesel Performance Transmission Installation Kits 319-054-2392

Transmission Conversion Kit, Allison Conversion Aisin AS69RC 2013-Current 2006-2010 6 Speed Allison Used in Conversion ATS Diesel Performance

Part Number: APF-319-054-2392

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

RAM Hydraulic Release Bearings for 1994-1995 CORVETTE - 78155

Throwout Bearing, Hydraulic, Chevrolet, Push-Type C4 Conversion, S6-40/ML9, Each

Part Number: RAM-78155

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

Shiftworks Automatic Transmission Shift Kits C350-2RVB

Conversion Kit, 1968-70 Chevelle 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-2RVB

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Hughes Performance Automatic Transmission Bearings and Races HP2238

Bearing Conversion Kit Transmission Case

Part Number: HUP-HP2238

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

SPEC Super Twin Multi-Disc Clutch and Flywheel Kits SC68ST-2

Clutch Kit, Super Twin, Conversion, ST-Trim, Carbon Composite, Full Face/Sprung Hub, Chevy, LSA, T-56, Kit

Part Number: SXC-SC68ST-2

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

SPEC Stage 5 Clutch Kits SF485-7

Clutch Kit, Stage 5, Conversion, Sintered Iron, Full Face/Sprung Hub, Yamaha 3.0L, T-5, TKO, Kit

Part Number: SXC-SF485-7

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

SPEC Mini Twin Multi-Disc Clutch and Flywheel Kits ST33MT3-5S

Clutch Kit, Mini Twin, Conversion, X-Trim, Carbon Composite, Full Face/Unsprung Hub, Toyota, 3SGTE, Kit

Part Number: SXC-ST33MT3-5S

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

SPEC Super Twin Multi-Disc Clutch and Flywheel Kits ST66ET-850RB

Clutch Kit, Super Twin, Conversion, E-Trim, Sintered Iron, Full Face/Unsprung Hub, Toyota, 1JZ/2JZ, Skyline, Kit

Part Number: SXC-ST66ET-850RB

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

SPEC Super Twin Multi-Disc Clutch and Flywheel Kits ST66SST-850RB

Clutch Kit, Super Twin, Conversion, SS-Trim, Carbon Composite/Kevlar®, Full Face/Unsprung Hub, Toyota, 1JZ/2JZ, Skyline, Kit

Part Number: SXC-ST66SST850RB

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

SPEC Super Twin Multi-Disc Clutch and Flywheel Kits ST66ST-850

Clutch Kit, Super Twin, Conversion, ST-Trim, Carbon Composite, Full Face/Unsprung Hub, Toyota, 1JZ/2JZ, G35/G37, Kit

Part Number: SXC-ST66ST-850

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today