Summit Bucks

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 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 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

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

SURE CURE KIT

Part Number: SOX-SCAODE4R75E

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• $20 Summit Bucks
• Special Order

A/T REBUILD KIT

Part Number: SOX-104584-90K

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• $20 Summit Bucks
• Special Order

Servo, Externally Adjustable Low/Reverse, Aluminum, Blue Anodized, GM, 4L80-E, 4L85-E, Kit

Part Number: SOX-34914-28K

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Billet Servo, Low Gear, Billet Aluminum, Powerglide, Kit

Part Number: SOX-28821-10K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Vacuum Test Stand Kit, Brass Needle Valve, Test Plate, Push-to-Connect Fittings, Testing Tip Adapter Tube, Sold as a Kit

Part Number: SOX-VACTEST-01K

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/5/2026

• 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

Servo, Super-Hold, 2nd Gear, Billet Aluminum, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77911-03K

5.0 out of 5 stars ( 9 )

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 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

Servo, Super-Hold, 4th Gear, Billet Aluminum, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77767K

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Engine Gasket Sets, Full, Chevy, Small Block, Kit

Part Number: FEL-260-1000

4.82 out of 5 stars ( 61 )

Estimated Ship Date: Monday 1/5/2026

• $20 Summit Bucks

Billet Servo, Low Gear, Billet Aluminum, Powerglide, Kit

Part Number: SOX-28821-20K

5.0 out of 5 stars ( 6 )

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

Servo Piston Kit, 2nd Gear Servo Type, Billet Aluminum, Ford, C-6, Kit

Part Number: SOX-K36528R

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks

Engine Swap Kits, Swap-In-A-Box Complete, Shorty Black Painted Headers, Motor Mounts, Red Oil Pan, Chevy, GMC, Small Block, Kit

Part Number: TRD-44063

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $100 Summit Bucks

Servo Kit, Billet Aluminum, Ford, C4, C5, Kit

Part Number: SOX-K13259C-1

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

Engine Swap Kits, Swap-In-A-Box Complete, Mid-length Natural Steel Headers, Motor Mounts, Red Oil Pan, Chevy, GMC, 4.8L, 5.3L, 6.0L, Kit

Part Number: TRD-42161

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $100 Summit Bucks

Engine Swap Kits, Swap-In-A-Box Complete, Mid-length Natural Steel Headers, Motor Mounts, Red Oil Pan, Chevy, Pontiac, 4.8L, 5.3L, 6.0L, Kit

Part Number: TRD-42011

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $100 Summit Bucks

Engine Swap Kits, Swap-In-A-Box Complete, Mid-length Natural Steel Headers, Motor Mounts, Red Oil Pan, Chevy, GMC, 4.8L, 5.3L, 6.0L, Kit

Part Number: TRD-42051

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $100 Summit Bucks

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

Part Number: SOX-6R140-ZIP

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

• Free Shipping
• $20 Summit Bucks