First used in Shelby Mustang and other performance vehicles, RTS-SERV1C4 "C" ratio servo kit offers greater holding power, giving cleaner, firmer 1-2 and 2-3 shifts. Machined from 6061 aluminum billet, this servo features lip seals on the piston for superior sealing over a wide range of fluid pressure. This is the largest in the C4 servo family and works in all performance C4 C5 C9 C10 applications. The servo pin incorporates two PTFE sealing rings to insure the hydraulic integrity of the pin in worn cases. Cleaning up a 2-3 flare was never easier than installing this servo. Also available is the less agressive "H" code version RTS-SERV2C4 with slightly less band apply pressure

High quality rubber coated metal gasket for unsurpassed blow out protection. This gasket is supplied with our RTS servo kits but can be used on any aftermarket or genuine Ford servo covers