boost valve kit sonnax 0 470in diameter x 1 907in long o ring style 4l60e 4l65e 4l70e Transmission_RN3F01A OEM Number: E7TZ-7E449-A

OEM Number: E7TZ-7E449-A

Fury 1974-UP 3 SP

Honda Prelude (97-01): M6HA

Patent-pending drop-in USA-made hardened steel two-piece PR valve

SILHOUETTE 2003-2004 4 SP F/4WD V6 3

boost valve kit sonnax 0 470in diameter x 1 907in long o ring style 4l60e 4l65e 4l70e Transmission_RN3F01A OEM Number: E7TZ-7E449-ASonnax Boost Valve Kit for 4L60E, 4L65E Transmissions Early Style, . 470" Diameter, OE Ratio, O ring Style GM 4L60 E and 4L65 E transmissions are often plagued by inadequate line rise, which can lead to the failure of the 3 4 clutch and 2 4 band, or result in poor shift quality. The frequent cycling of the EPC solenoid induces rapid wear on the boost sleeve. This wear allows oil that enters the torque signal orifice to leak past the boost valve and