Automatic Transmission Shift Kits

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: Today

• Free Shipping

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: Today

Performance Shift Kit, 4L60E, 4L65E, 4L70E, Kit

Part Number: TRG-4L60E-PRO

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Specialty Components, 4L60E Oversized actuator feed limit valve and spring

Part Number: TRG-4L60E-AFL-OS

Not Yet Reviewed

Estimated Ship Date: Today

ATP Automatic Transmission Upgrade Kit

Part Number: ATP-SK3

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

• Drop Ship
• Special Order