Availability
Buy one of these qualifying items and earn more savings! Similar to gift certificates, Summit Bucks rewards you earn today can be applied to Summit Racing orders in...
Buy one of these qualifying items and earn more savings! Similar to gift certificates, Summit Bucks rewards you earn today can be applied to Summit Racing orders in the future.*
*Not redeemable for cash; cannot be used to buy gift cards.
Buy one of these qualifying items and earn more savings! Similar to gift certificates, Summit Bucks rewards you earn today can be applied to Summit Racing orders in the future.*
*Not redeemable for cash; cannot be used to buy gift cards.
Showing In Stock Items. Show All 221 Items.
Shift Kit, Zip Kit, Chevy, Kit
Part Number: SOX-6L45-6L90ZIP
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: SOX-HP-4L60E-01
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Automatic Transmission Valve Body, GM 4L80-E, 4L85-E, Performance, Each
Part Number: SOX-HP-4L80E-01
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
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 11/10/2025
Estimated Ship Date: Monday 11/10/2025
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 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Shift Kit, Zip Kit, BMW, Ford, Infiniti, Lexus, Volkswagen, Volvo, Kit
Part Number: SOX-ZF6-6R60-ZIP
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
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: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
ZIP KIT
Part Number: SOX-ZF8-ZIP
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Automatic Transmission Shift Kits, Shift Improver, E4OD, 4R100, Sold as a Kit
Part Number: SOX-E4OD4R100ZIP
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Shift Kit, Zip Kit, 6R80, 6R100, Kit
Part Number: SOX-6R80L6R100ZI
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Shift Kit, Zip Kit, ZF6HP-21, ZF6HP-28, ZF6HP-34, Kit
Part Number: SOX-ZF6-GEN2-ZIP
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
ZIPPER KIT
Part Number: SOX-AODE4R75EZIP
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Shift Improver Performance Pack, 4R100, Ford, Kit
Part Number: SOX-HP-4R100-01
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Shift Kit, Zip Kit, ZF6HP-19. ZF6HP-26, ZF6HP-32, Kit
Part Number: SOX-ZF6-053-ZIP
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
SURE CURE KIT
Part Number: SOX-46-47RHE-ZIP
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
ZIP KIT
Part Number: SOX-6T70-ZIP
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
THE SURE CURE KIT
Part Number: SOX-SC-AODE
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
SURE CURE KIT
Part Number: SOX-SC46-47RHEOS
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Steering Column Shift Linkage, Billet Aluminum, Natural, GM, Automatic, Kit
Part Number: TSN-CB5010
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
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 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Automatic Transmission Rebuild Kit, GM 700R4, 4L60, Kit
Part Number: SOX-SC4L60
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
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
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Automatic Transmission Rebuild Kit, Maximizer, GM, 1993-98 GM 4L60E, Kit
Part Number: TCI-378906
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 if ordered today
Automatic Transmission Rebuild Kit, Maximizer, GM, 1968 and Later, TH350, Non Lockup, Kit
Part Number: TCI-328805
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 if ordered today
Automatic Transmission Rebuild Kit, Maximizer, GM, TH400, Kit
Part Number: TCI-228805
Estimated Ship Date: Dec 17, 2025 if ordered today
Estimated Ship Date: Dec 17, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
