Performance & Replacement Transmission & Drivetrain Parts

Shift Kit, Automatic Type, Ford 1967-69, C-4, Towing, Competition, Heavy Duty, Each

Part Number: TRG-47-2

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/6/2025

Separator Plate, Tempered Steel, Zinc Plated, GM, 4L80E, Each

Part Number: TRG-48-PLT-01

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

Accumulator Piston, Aluminum, Forward, GM, 4L60E, 4L65E, 4L70E, Each

Part Number: TRG-4L6-FWD

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/6/2025

Shift Kit, Stick Type, GM, 4L60E 1993-2005, Competition, Off-Road, Pro-Street, Each

Part Number: TRG-4L60E-3

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Specialty Components, 4L60E, 4L65E, 4L70E Drop-in Pressure Regulator Valve

Part Number: TRG-4L60E-PR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

Performance Shift Kit, 4L60E, 4L65E, 4L70E, Kit

Part Number: TRG-4L60E-PRO

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Shift Kit, Automatic Type, GM, 4L80E, 4L85E, Forward/Standard Shift Pattern, Each

Part Number: TRG-4L80E-HD2

4.69 out of 5 stars ( 54 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Torque Converter Reguilator Valve, 4L80E, 4L85E, Kit

Part Number: TRG-4L80E-TCC

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

TRANSMISSION PRESSURE REGULATO

Part Number: TRG-5HP-19-PR

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Shift Kit, Automatic Type, Ford, C-6, Towing, Competition, Heavy Duty, Gas Engines, Each

Part Number: TRG-67-1-2

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/6/2025

Clutch Select Valve and TCC Regulator Valve kit GM 6L45, 6L50, 6L80, and 6L90

Part Number: TRG-6L8CSTCC

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Separator Plate, Tempered Steel, Zinc Plated, GM, 700R4, Each

Part Number: TRG-700-P

4.64 out of 5 stars ( 33 )

Estimated Ship Date: Monday 10/6/2025

Automatic Transmission Rebuild Components, Actuator Limit Valve Repair Kit, GM, 4L80E, 4L85E, Kit

Part Number: TRG-T48-ACT-TL

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Vacuum Bypass, Automatic Transmission Modulator Bypass Components, Kit

Part Number: TRG-VBP-VAC

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/6/2025

Shift Kit, Performance, Chevy, GMC, Allison, 1000, 2000, 2400, Kit

Part Number: TRG-SKALLISON-JR

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

Flexplate Dust Cover, Steel, Chrome, Chevy, TH350, TH400, Each

Part Number: TRD-9588

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/6/2025

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: TRD-9037

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/6/2025

Transmission Pan, Deep, Steel, Chrome, Finned, GM, TH400, Each

Part Number: TRD-9197

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

Transmission Dipstick, Steel, Chrome, TH350, 27 in. Length, Each

Part Number: TRD-9421

2.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/6/2025

Flexplate Dust Cover, Polished, Finned Aluminum, Chevy, TH350, TH400, Each

Part Number: TRD-9586

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/6/2025

Shift Kit, Automatic Type, Ford 1965-66, C-4, Towing, Competition, Heavy Duty, Each

Part Number: TRG-45-01

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/6/2025

Accumulator Piston, Aluminum, 1-2 Piston, .236 in. Diameter Hole, No Legs, GM, 4L60E, 4L65E, 4L70E, Each

Part Number: TRG-4L65-2ACM

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

Master Cylinder, Aluminum, Black, .625 in. Bore, Universal, Kit

Part Number: WIL-260-10371

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

Clutch Master Cylinder, Compact Remote Side Mount, 5/8 in. Bore, Cast Aluminum, Black, 1/8-27 in. Outlet, Kit

Part Number: WIL-260-12384

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Slave Cylinder, Aluminum, Black, Pull-Style, 11 3/4 in. Extended, 1 3/8 in. Stroke, Universal, Each

Part Number: WIL-260-1333

3.55 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/6/2025