Performance & Replacement Transmission & Drivetrain Parts

POPPET BLEED ASSY, .040

Part Number: ISS-31030340040

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Estimated Ship Date: Nov 11, 2025 if ordered today

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POPPET BLEED ASSY, .050

Part Number: ISS-31030340050

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Estimated Ship Date: Nov 11, 2025 if ordered today

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POPPET BLEED ASSY, .062

Part Number: ISS-31030340062

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Estimated Ship Date: Nov 11, 2025 if ordered today

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POPPET BLEED ASSY, .070

Part Number: ISS-31030340070

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Estimated Ship Date: Nov 11, 2025 if ordered today

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POPPET BLEED ASSY, .094

Part Number: ISS-31030340094

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Governor Recalibration Kit, GM, TH350, TH400, 700R4, Weights, Springs, Seal, Kit

Part Number: BMM-20248

4.65 out of 5 stars ( 34 )

Estimated Ship Date: Today

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Automatic Transmission Shift Kits, Zip Kit, with Boost Valve, O-Ring Plugs, Accumulator Pistons, Spring, Sleeves, Ford, 6R140, Kit

Part Number: SOX-6R140-ZIP

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Estimated Ship Date: Today

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SPRING RETAINERS SET OF 5

Part Number: SOX-34554-12

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Estimated Ship Date: Today

Line Pressure Booster Kit, Hydraulic, Valve, Sleeve, Pressure Regulator Spring, O-rings, GM, TH400, Kit

Part Number: SOX-400-LB1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Shift Lever Spring and Pin Kit, Replacement, For Use On Summit Racing™ Steering Columns, Each

Part Number: SUM-771740

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Estimated Ship Date: Today

Clutch Linkage Service Kit, Includes Rods, Clips, Brackets, Springs, Fork, Bellcrank Assembly, and Hardware, Chevrolet, Chevelle, V8, Kit

Part Number: AMD-R-210

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Estimated Ship Date: Today

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Small Parts Kit, TH400, Seals, Retainers, Bushing, Plates, Spring, Kit

Part Number: SOX-28755-SPK

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Estimated Ship Date: Today

Automatic Transmission Rebuild Kits, Sure Cure Kit, with O-Ring Plug Ends, Boost Valve, Bushings, Springs, Cadillac, Chevy, GMC, 4L80-E, 4L85-E, Kit

Part Number: SOX-SC4L80E

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Automatic Transmission Boost Valves, Oversized Pressure Regulator Valve, Sleeve, Spring, Drill Bit, Checkball, GM, 6L45, 6L50, 6L80, 6L90, Kit

Part Number: SOX-104520-07K

Not Yet Reviewed

Estimated Ship Date: Today

Release Valve & Spring for #748200

Part Number: TCI-749500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Transmission Cooler Bypass Delete Kit, Cooler Bypass Valve Kit, Steel, Black, includes T-Valve, Spring, Checkball, O-rings, Ford, 4R100, E4OD, Kit

Part Number: SOX-36605-02K

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Automatic Transmission Servo Kits, Reverse Servo Spacer, Steel, Natural Finish, with Spring, Washers, E-Clip, GM, 4L80-E, 4L85-E, Kit

Part Number: SOX-34528-01K

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Estimated Ship Date: Today

Clutch Fork Spring, Outer Return Spring, Jeep, Each

Part Number: OMX-1691914

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Estimated Ship Date: Today

Clutch, SRK Sport Racer Clutch Kit, Aramid Clutch Fiber Plates, Clutch Springs, Clutch Plates, Kawasaki, Kit

Part Number: EBP-SRK79

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Clutch, SRK Sport Racer Clutch Kit, Aramid Clutch Fiber Plates, Clutch Springs, Clutch Plates, BMW, Kit

Part Number: EBP-SRK130

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Clutch, SRK Sport Racer Clutch Kit, Aramid Clutch Fiber Plates, Clutch Springs, Clutch Plates, Suzuki, Kit

Part Number: EBP-SRK121

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Clutch Pedal Spring Return Bracket, Steel, Black, Ford, Each

Part Number: SDK-C7ZZ-7535-B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Release Valve & Spring for #321500 Trans-Brake

Part Number: TCI-321400

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Estimated Ship Date: Today

Clutch, SRK Sport Racer Clutch Kit, Aramid Clutch Fiber Plates, Clutch Springs, Steel Clutch Plates, BMW, Kit

Part Number: EBP-SRK165

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Clutch, SRC Street Racer Clutch Kit, Aramid Clutch Fiber Plates, Clutch Springs, for use on Honda®, Kit

Part Number: EBP-SRC16

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Estimated Ship Date: Nov 21, 2025 if ordered today

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