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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!
Automatic Transmission Valve Body, GM 4L80-E, 4L85-E, Performance, Each
Part Number: SOX-HP-4L80E-01
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L80E, Kit
Part Number: SOX-4L80E-LB1
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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
Shift Shaft, 4L80E, Each
Part Number: SOX-38511-03K
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Manual Shift, Metric Flange Nuts, GM, 4L80E, without External NSS, Each
Part Number: SOX-38511-01K
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Automatic Transmission Bracket and Lever, Shift Cable Mounting Bracket, Steel, Black, 4L60-E/4L80-E, Chevrolet, GMC, Each
Part Number: SOX-34913-01
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
SHIFT LEVER KIT
Part Number: SOX-38512-03K
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
MANUAL SHAFT KIT
Part Number: SOX-38511-04K
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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