Hard Parts Sonnax K65703-1

Sonnax

K65703-1

Sonnax Super Servo

Hard Parts



The Sonnax 200-4R super hold servo offers a 17% greater apply area than the Grand National servo. Its pin is longer than the longest OE pin, allowing for a full range of adjustment. The optional parts include a shim, spring and spacer which, when combined with OE springs, result in a variety of shift tuning capabilities. Altogether, the level of customization in these kits makes them ideal for high-performance street applications as well as all-out racing. Overall sealing characteristics have been improved throughout the servo, which features an O-ring to seal the piston to pin. This O-ring prevents cross leakage between the apply and release side of the piston, ensuring all apply pressure gets to the piston for solid shifts. The servo is made from 6061 billet aluminum for improved strength.

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