Kiggly Valve Spring Kit Race Only for 4G63 (SS-RACE) USAshippingONLY The Tru-BoostX Boost Controller gauge

The Tru-BoostX Boost Controller gauge delivers digital accuracy but with the simplicity of a manual boost controller

calibrated resistor in the sensor's connector body

1992-2015 Evolution I-X

Includes a full set of 10 main bearings

Kiggly Valve Spring Kit Race Only for 4G63 (SS-RACE) USAshippingONLY The Tru-BoostX Boost Controller gaugeDesigned for high RPM and high boost 4G63 Evo, DSM and GVR4 requiring extremely high seat pressure. Recommended for sanctioned drag racing only due to the high seat pressure and ensuing valvetrain stress and wear. Not for use in street cars. Includes: (16) Chrome Moly Retainers (16) PAC Racing Beehive Springs (16) Treated Steel Seats Vehicle Fitment: Mitsubishi 4G63 1992 2006 Evolution I IX 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi 1990 1994 Laser