Sonnax Parts

4L60, 700-R4, 4L60E, 4L65E, 4L70E Automatic Transmission Servo Release Check Valve S74480C 77701-076

GM 4L60, 700-R4, 4L60E, 4L65E, 4L70E TCC Apply Valve Kit (Aluminum w/ Teflon Seal) (PWM Only) (1982-Up) S74507CE-1 77805E-K

GM 700-R4, 4L60E, 4L65E, 4L70E Pressure Regulator Valve O.S. (T-77917-TL or T-77917-TLC Req) (exc 4L60)S74507PE-1 77917-07

4L60E, 4L65E, 4L70E Pressure Regulator Spring (High Performance) 74507PE-3HP 77917-10

GM 4L60, 700-R4, 4L60E, 4L65E, 4L70E Boost Valve & Sleeve Kit (.490” Diameter, with o-rings, Late Pump) (2006-Up) S74507FJ 77898E-7K

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

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

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

GM 4L60, 700-R4, 4L60E, 4L65E, 4L70E Boost Valve & Sleeve Kit (.470” Diameter, “ Factory” Style, Early Pump) (1993-2005) S74507FC 77898E-6K1

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

4L60, 700-R4, 4L60E, 4L65E, 4L70E Boost Valve & Sleeve (Progressive Line Pressure Increase) (1.810”) (2006-Up)S74507FJA (4L60E-LB2)

200-4R,4L60 TV Boost Valve Kit (.500" Bore Diameter, O-Ring Style) (S74507TK) (77917-500)