Transmission & Drivetrain
Availability
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Showing In Stock Items. Show All 52 Items.
Pressure Booster, Line Pressure, Electric, Kit
Part Number: SOX-RFE-LB1
Estimated Ship Date: Today
Estimated Ship Date: Today
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L60E, 4L65E, 4L70E, Late Pump, 1.810 in. Long, Kit
Part Number: SOX-4L60E-LB2
Estimated Ship Date: Today
Estimated Ship Date: Today
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L80E, Kit
Part Number: SOX-4L80E-LB1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L60E, 4L65E, 4L70E, Early Pump, 1.907 in. Long, Kit
Part Number: SOX-4L60E-LB1
Estimated Ship Date: Today
Estimated Ship Date: Today
Line Pressure Booster Kit, Hydraulic, Valve, Sleeve, Pressure Regulator Spring, O-rings, GM, TH400, Kit
Part Number: SOX-400-LB1
Estimated Ship Date: Today
Estimated Ship Date: Today
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 200-4R, 4L60, Kit
Part Number: SOX-700R4-LB1
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Booster Spring, Automatic Transmission, Stock Replacement, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Truck, Each
Part Number: ADO-8667424
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 6L50, 6L80, 6L90, Kit
Part Number: SOX-6L80-LB1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 200-4R, 4L60, O-Ring Style, Kit
Part Number: SOX-77917-500
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Pressure Booster, Hydraulic Line, TV Boost Valve, Ford, 4R70W, 4R75W, Kit
Part Number: SOX-4R70W-LB1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, TH350, TH350C, Kit
Part Number: SOX-350-LB1
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Pressure Booster, Hydraulic Line, TV Boost Valve, Ford, 4R100, E4OD, Kit
Part Number: SOX-4R100-LB1
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4T65E, Kit
Part Number: SOX-4T65E-LB1
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered 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
Estimated Ship Date: Today
TCC APPLY VALVE KIT
Part Number: SOX-77805E-K
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Boost Valve, Low/Reverse, GM, Powerglide, Kit
Part Number: SOX-28999-01K
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE PR REG STEEL
Part Number: SOX-28999-03
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
LINE PRESSURE BOOSTER KIT
Part Number: SOX-5R55WS-LB1
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
CLUTCH KIT, K09032-HD, STAGE 1 HD, 1998-2001 Isuzu 3.9L 4HE1 (Stepped Flywheel) w/ Brake Booster (12\ Clutch)"
Part Number: SBB-K09032-HD
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
CLUTCH KIT, K09032-HD-O, STAGE 2 DAILY, 1998-2001 Isuzu 3.9L 4HE1 (Stepped Flywheel) w/ Brake Booster (12\ Clutch)"
Part Number: SBB-K09032-HD-O
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
CLUTCH KIT, K09032-HD-TZ, STAGE 2 ENDURANCE, 1998-2001 Isuzu 3.9L 4HE1 (Stepped Flywheel) w/ Brake Booster (12\ Clutch)"
Part Number: SBB-K09032-HD-TZ
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
CLUTCH KIT, K09032-HD-DXD-B, STAGE 2 DRAG, 1998-2001 Isuzu 3.9L 4HE1 (Stepped Flywheel) w/ Brake Booster (12\ Clutch)"
Part Number: SBB-S0707
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
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