Automatic Transmission Shift Kits

Shift Kit, Shift Improvement, ISO-CON Valve, GM, 4L60E, 4L65E, 4L70E, 4L75E, Each

Part Number: TRG-SK4L60E

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

Transmission Upgrade Kit, Shift Improver, GM, 4L60E, Each

Part Number: BMM-70360

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/27/2025

Transmission Upgrade Kit, Trans-Scat, Chevy, GMC, 4L60E, Each

Part Number: TCI-376002

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Dec 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Transmission Upgrade Kit, Trans-Scat, Chevy, GMC, 4L60E, LT1, LS1, Each

Part Number: TCI-376001

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

ATP Automatic Transmission Upgrade Kit

Part Number: ATP-SK3

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025