Transmission & Drivetrain - Kits KEYWORD - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Trail-Gear Assembled Third Members 304517-1-KIT

Ring and Pinion, 4.88 Hi-Pinion 29-Spline Zip Air Locker

Part Number: TGI-304517-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Trail-Gear Assembled Third Members 304516-1-KIT

Ring and Pinion, 5.29 Hi-Pinion 29-Spline Grizzly

Part Number: TGI-304516-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Trail-Gear Assembled Third Members 140039-1-KIT

5.29 HiP Detroit

Part Number: TGI-140039-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Trail-Gear Assembled Third Members 304121-1-KIT

4.88 4 Cyl Zip Air Locker 29-Spline

Part Number: TGI-304121-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Trail-Gear Assembled Third Members 304118-1-KIT

5.29 4cyl ARB 29-Spline

Part Number: TGI-304118-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Trail Gear Axle Assemblies 301234-3-KIT

Rear Rock Assault 58-IN.Wms Fully Built V6 5.29 Arb Samurai

Part Number: TGI-301234-3-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Trail Gear Transfer Cases 100518-1-KIT

Trail-Creeper 2.28x4.70 Dual Transfer Case 23-Spline Input, Forward Shift, 4" Offset

Part Number: TGI-100518-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Trail Gear Transfer Cases 100517-1-KIT

Trail-Creeper 2.28x4.70 Dual Transfer Case 21-Spline Input, Forward Shift, 4" Offset

Part Number: TGI-100517-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

American Powertrain Manual Transmissions COGM-A1DX

ProFit TKX installation kit combo for 1964-67 GM A-body Chevelle, 442, Cutlass, Tempest, LeMans and GTO .81 OD

Part Number: AWR-COGM-A1DX

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

American Powertrain Manual Transmissions COFO-M1CX

ProFit TKX Combo Kit for 1965-73 Ford Mustang/Cougar .81 OD

Part Number: AWR-COFO-M1CX

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

FTI Performance Automatic Transmissions FTK400-3FB2

TH400 - Transmission Kit - Level 3 - 800HP Rated - Forward Pattern - SFI Bellhousing - Includes 3200 Stall Billet Converter, Fluid, Cooler Kit, Dipsti

Part Number: FTI-FTK400-3FB2

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

FTI Performance Automatic Transmissions FTK400-3FB1

TH400 Racing Transmission kit

Part Number: FTI-FTK400-3FB1

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

American Powertrain Manual Transmissions COGM-G1X

ProFit TKX 5-Speed Kit for 1978-88 GM G-body (Malibu, Monte Carlo, El Camino, Regal, Cutlass, 442,, LeMans, Bonneville, Grand Prix) .68 OD

Part Number: AWR-COGM-G1X

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

American Powertrain Manual Transmissions COGM-G1B

ProFit TKX 5-Speed Kit for 1978-88 GM G-body (Malibu, Monte Carlo, El Camino, Regal, Cutlass, 442,, LeMans, Bonneville, Grand Prix) .72 OD

Part Number: AWR-COGM-G1B

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

American Powertrain Manual Transmissions COCH-B1AX

Pro-Fit TKX Combo Kit for 1966-70 Mopar B-body. .81 OD

Part Number: AWR-COCH-B1AX

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

American Powertrain Manual Transmissions COGM-A2DX

ProFit TKX Combo Kit for 1968-72 Chevelle, 442, Cutlass, Tempest, LeMans and GTO .81 OD

Part Number: AWR-COGM-A2DX

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Trail-Gear Assembled Super Finish Third Members 304633-1-KIT

Third Member Complete Assembly, Assembled 29-Spline Super Finish 3rd Members For Toyota 8" Axles- V6 5.29 ARB

Part Number: TGI-304633-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Ridetech Stock Width 4-Link Axle Assemblies 11239682

Axle Assemblies, Stock Width, Ford 9 in., Black, 59.38 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy,Buick, Oldsmobile, Pontiac, Kit

Part Number: ART-11239682

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Trail-Gear Rock Assault Fully Built Axle Assemblies for 1986-1993 SAMURAI - 301583-3-KIT

AXLE, REAR, ROCK ASSAULT, 58-IN.WMS, FULLY BUILT, 4-CYL, 4.88, GRIZZLY, SAMURAI

Part Number: TGI-301583-3-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Trail-Gear Assembled Super Finish Third Members 304632-1-KIT

Third Member Complete Assembly, Assembled 29-Spline Super Finish 3rd Members For Toyota 8" Axles- V6 4.88 ARB

Part Number: TGI-304632-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Trail-Gear Assembled Third Members 304513-1-KIT

Ring and Pinion, 4.88 Hi-Pinion 29-Spline ARB

Part Number: TGI-304513-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Trail-Gear Assembled Third Members 140038-1-KIT

4.88 HiP Detroit

Part Number: TGI-140038-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Trail-Gear Rock Assault Fully Built Axle Assemblies for 1985-1995 4RUNNER, 1979-1995 PICKUP, 1995-2004 TACOMA - 301575-1-KIT

AXLE, REAR, ROCK ASSAULT, +2 WIDTH, FULLY BUILT, 4-CYL, 4.88, ZIP, TOYOTA

Part Number: TGI-301575-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Trail-Gear Rock Assault Fully Built Axle Assemblies for 1988-1995 4RUNNER, PICKUP, 1995-2004 TACOMA - 301571-1-KIT

AXLE, REAR, ROCK ASSAULT, +2 WIDTH, FULLY BUILT, V6, 4.88, GRIZZLY, TOYOTA

Part Number: TGI-301571-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Trail-Gear Rock Assault Fully Built Axle Assemblies for 1985-1995 4RUNNER, 1979-1995 PICKUP, 1995-2004 TACOMA - 301209-1-KIT

Rear Rock Assault Ifs Width Fully Built 4-Cyl 5.29 Detroit Toyota

Part Number: TGI-301209-1-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

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