Transmissions

Shift Kit, Zip Kit, Chevy, Kit

Part Number: SOX-6L45-6L90ZIP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Valve Body, GM 4L80-E, 4L85-E, Performance, Each

Part Number: SOX-HP-4L80E-01

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

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

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

• Core Charge $50.00
• Free Shipping
• $20 Summit Bucks

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: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Rebuild Components, Governor, Blue Gear, GM, 4L60, Gasoline Engines, Each

Part Number: SOX-730

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Shift Kits, TCC Zip Kit, with O-Ring End Plugs, Converter Limit Valve, Regulator/Shuttle, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90TCCZ

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Shift Kits, Shift Zip Kit, with Clutch Valves, Accumulator Pistons, Spring, Sleeves, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90SHIF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Rebuild Set, with TV Cable Corrector Kit, Checkballs, etc., GM 4L60-E, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Kit

Part Number: SOX-SC-4L60E

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Rebuild Components, Forward, Input Housing Sleeve, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77733-52K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

ZIP KIT

Part Number: SOX-S0002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Valve Body, Heavy-Duty, Remanufactured, Cast Iron, Standard Shift Pattern, 4L80-E, 4L85-E, Each

Part Number: SOX-GM033

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Rebuild Components, Bearing/Race Kit, Sun/Internal, Center Support/Sun, GM, TH400/4L80-E/4L85-E, Kit

Part Number: SOX-SBK-G10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Automatic Transmission Accumulator Pistons, Pinless, Aluminum, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SOX-77998-03K

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Automatic Transmission Signal Accumulator Pistons, Aluminum, Chevy, GMC, Cadillac, Kit

Part Number: SOX-154740-06K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

LOW/REVERSE SERVO PISTON

Part Number: SOX-34914-02

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

HD REMAN VALVE BODY

Part Number: SOX-GM053-HD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

• Core Charge $50.00
• Free Shipping
• $20 Summit Bucks

Automatic Transmission Rebuild Kit, GM 700R4, 4L60, Kit

Part Number: SOX-SC4L60

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

FORWARD/REVERSE ABUSE VALVE

Part Number: SOX-7775435K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Automatic Transmission Valve Bodies, Remanufactured, Valve Body, Cast Aluminum, Standard Shift Pattern, Chevy, GMC, 6T70, 6T75, 6T80, Each

Part Number: SOX-GM6T70-2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

• Core Charge $100.00
• Free Shipping
• $20 Summit Bucks

SPRING RETAINERS SET OF 5

Part Number: SOX-34554-12

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Input Drum Reinforcement Kit, 4L60, 700R4, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77733-02K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Thrust Bearing, Replacement, Chevy, Powerglide, Each

Part Number: SOX-28321

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Manual Shift, Metric Flange Nuts, TH400, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: SOX-38511-05K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Band Adjustment Screw Kit, Automatic Transmission Rebuild Component, Chevy, Powerglide, Kit

Part Number: SOX-28612-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

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: Monday 1/5/2026

• $20 Summit Bucks