Performance & Replacement Transmission & Drivetrain Parts

Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, GM, TH350, TH400, Each

Part Number: LOK-XTD3350400FM

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 3 Series, Each

Part Number: ETN-19587-010

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Differential, Electric Locker, 30-Spline, Dana 44, 3.73 and Lower Ratios, Each

Part Number: ETN-19977-010

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Automatic Transmission Case, Super Hydra 400, Aluminum, Natural, SFI 4.1, GM TH400, Each

Part Number: REI-SH400DRAG

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Flexplate, OE Replacement, 168-Tooth, 14.00 in. Diameter, Internal Balance, Steel, Chevy, LS, 4L80E/TH350/TH400, Each

Part Number: ADO-19260102

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Automatic Transmission Rebuild Kit, Kolene Steels, GM, 4L60E, 30-Spline, Kit 93-03

Part Number: SUM-705025

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Flywheel, Steel, 164-Tooth, 34 lb., Internal Engine Balance, Ford, Small Block, Each

Part Number: MCL-463200

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Automatic Shifter, Winters Sidewinder, Forward Pattern Valve Body, Standard Gate, GM, TH400, Each

Part Number: WPP-107-1

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Automatic Transmission, GM Bellhousing, Full Manual Valve Body, Reverse Shift Pattern, SFI 4.1, Chevy, TH400, Each

Part Number: SUM-700380-SFI

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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• Special Order

Combo, Hurst, Shifter, Competition Plus, Installation Kit, Chevy, Muncie M-22, Muncie 4-Speed, Super T-10, Kit

Part Number: CMB-13-0081

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Driveshaft, Steel, 3 in. Diameter, 55 in. Length, 1350 U-Joints, 27-Spline Transmission Yoke, Kit

Part Number: SUM-730404

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Shifter Rebuild Kit, Competition Plus Rebuild Kit, Kit

Part Number: HUU-3327303

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

GM TORQUE CONVERTER, 4L80E, 4L85E, LT MOTOR 2800-3000 STALL

Part Number: FTI-SRLT43082

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 11 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700932

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Automatic Transmission Valve Body, Heavy-Duty Remanufactured, Automatic Style, Cast Aluminum, Forward Shift Pattern, 4L60-E/4L65-E, Chevrolet, Kit

Part Number: SOX-GM054-HD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $50.00
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Rear Cradle Bushings, Lockout, Aluminum, Black Anodized, Dodge, Kit

Part Number: BMR-SCB-110

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Automatic Transmission, GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, GM, 4L60E, 4WD, Aluminum Pan, Each

Part Number: SUM-700466

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Shifter, Hurst Pistol-Grip Quarter Stick, Black, GM Automatic Transmissions, 700R4, 4L60, 4L60E, 4L80E, Each

Part Number: HUU-3162023

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Clutch Kit, RXT, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Chevy, V8, Kit

Part Number: MCL-6921-07

5.0 out of 5 stars ( 3 )

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, Mount, Buick, Chevy, Olds, Kit

Part Number: IST-EFKA1TKX

Not Yet Reviewed

Estimated Ship Date: Today

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Transmission Pan, Deep, Aluminum, Natural, GM, TH250, TH350, Each

Part Number: BMM-30280

4.89 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SOX-HP-4L60E-01

5.0 out of 5 stars ( 4 )

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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Axles, Direct Fit, 1541H Steel, 30-Spline, Chevy, 8.875 in., Kit

Part Number: SUM-700121

4.5 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Torque Converter, Street Bandit, 9.6 in. Diameter, Lockup, 2,800-3,200 Stall, GM, 700R4, 200-4R, Each

Part Number: APE-48403

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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