Filters
Since 1978, Sonnax Transmission Company has specialized in the cutting-edge design of top-quality performance and OEM replacement transmission parts. Summit Racing carries...
Since 1978, Sonnax Transmission Company has specialized in the cutting-edge design of top-quality performance and OEM replacement transmission parts. Summit Racing carries a large selection of Sonnax transmission and drivetrain parts, including slip yokes, throttle cable brackets, input drum reinforcement kits, hydraulic line pressure booster kits, and more. Order your Sonnax transmission parts from Summit Racing today!
Since 1978, Sonnax Transmission Company has specialized in the cutting-edge design of top-quality performance and OEM replacement transmission parts. Summit Racing carries a large selection of Sonnax transmission and drivetrain parts, including slip yokes, throttle cable brackets, input drum reinforcement kits, hydraulic line pressure booster kits, and more. Order your Sonnax transmission parts from Summit Racing today!
Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: SOX-HP-4L60E-01
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Torx Plus Bit, 4L60-E, 4L65-E, 4L70-E, Bellhousing Bolt Socket, Steel, Each
Part Number: SOX-77000-HBK
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.