Cobra Transmission Parts

Reverse Boost Valve Kit (“Factory” Style) (S34507RCK) (34910-05K)

Reverse Boost Valve Kit (Includes O-Rings) (S34507RK) (34910-01K)

Valve, Anti Drain Input (45RFE) (99-Up)

Pump Boost Valve, 4L30E (Small Ratio Stamped 066) (1990-Up)

Pump Boost Valve, 4L30E (Medium Ratio) (1990-Up)

Pump Boost Valve, 4L30E (Large Ratio) (1990-Up)

Pump Boost Valve, 4L30E (Small Ratio Stamped 067) (1990-Up)

Valve & Sleeve, 4L30E (TCC Reg) (1990-Up)

4L60, 700-R4, 4L60E, 4L65E, 4L70E Boost Valve & Sleeve (Progressive Line Pressure Increase) (1.907”) (1993-2005) S74507FS 4L60E-LB1

GM 4L60, 700-R4, 4L60E, 4L65E, 4L70E Boost Valve & Sleeve Kit (.490” Diameter, with o-rings, Early Pump) (1993-2005) S74507F 77898E-K

GM 4L60, 700-R4, 4L60E, 4L65E, 4L70E Boost Valve & Sleeve Kit (.470” Diameter, with o-rings, Early Pump) (1993-2005) S74507FA 77898E-4K

4L60, 700-R4, 4L60E, 4L65E, 4L70E Automatic Transmission Boost Valve & Sleeve Kit (.490” Diameter, “ Factory” Style, Early Pump) (1993-2005) S74507FB 77898E-3K