Performance & Replacement Transmission & Drivetrain Parts

Pressure Booster, Hydraulic Line, O-Ring Style, TV Boost Valve, GM, 4L80E, 4L85E, Kit

Part Number: SOX-34200-01K

Not Yet Reviewed

Estimated Ship Date: Today

Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 200-4R, 4L60, O-Ring Style, Kit

Part Number: SOX-77917-500

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Estimated Ship Date: Today

Pressure Booster, Hydraulic Line, TV Boost Valve, Ford, 4R100, E4OD, Kit

Part Number: SOX-4R100-LB1

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Pressure Booster, Hydraulic Line, TV Boost Valve, GM, TH350, TH350C, Kit

Part Number: SOX-350-LB1

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4T65E, Kit

Part Number: SOX-4T65E-LB1

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Pressure Booster, Line Pressure, Electric, Kit

Part Number: SOX-RFE-LB1

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Today

BOOST VALVE KIT

Part Number: SOX-34200-10K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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VALVE ASSY BOOST

Part Number: SOX-35754-01K

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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VALVE KIT BOOST CLICKER TYPE

Part Number: SOX-36941-01K

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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TCC APPLY VALVE KIT

Part Number: SOX-77805E-K

Not Yet Reviewed

Estimated Ship Date: Today

Line Pressure Booster Kit, Hydraulic, Valve, Sleeve, O-rings, GM, TH400/425, Kit

Part Number: SOX-34910-01K

Not Yet Reviewed

Estimated Ship Date: Today

BOOST VALVE KIT

Part Number: SOX-77898E-14K

Not Yet Reviewed

Estimated Ship Date: Today

OVERSIZE CLUTCH BOOST VALVE

Part Number: SOX-104740-01

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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VALVE PR REG STEEL

Part Number: SOX-28999-03

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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GM 6L45-90E: Compensator Feed Regulator Valve

Part Number: TRG-6L80-CFR

Not Yet Reviewed

Estimated Ship Date: Today

REGULATOR VALVE KIT

Part Number: SOX-104740-07K

Not Yet Reviewed

Estimated Ship Date: Today

LINE PRESSURE BOOSTER KIT

Part Number: SOX-5R55WS-LB1

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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REVERSE BOOST VALVE KIT

Part Number: SOX-K77898

Not Yet Reviewed

Estimated Ship Date: Today

3-4 Clutch Boost Springs, GM, 4L60, 4L60E, 4L65E, 4L70E, Set of 10

Part Number: SOX-77763-01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Shift Kit, Automatic Type, Includes .500 in. Boost Valve, GM, 4L60E, Each

Part Number: TRG-4L60E-HD2

4.74 out of 5 stars ( 58 )

Estimated Ship Date: Today

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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 Shift Kits, Zip Kit, with End Plugs, O-Rings, Solenoid Modulator, Boost/Accumulator/Lockup Control Valves, Lexus, Toyota, Kit

Part Number: SOX-S0001

Not Yet Reviewed

Estimated Ship Date: Today

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RST KIT MUSTANG ECO BOOST STEE

Part Number: MCL-64388-25

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Separator Plate, Tempered Steel, Zinc Plated, Chrysler, 518/618/46-47 RH/RE, with Boost Tube, Kit

Part Number: TRG-TF-PLT-95B

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Auto Trans Reverse Boost Valve

Part Number: ADO-24224511

Not Yet Reviewed

Estimated Ship Date: Today