The Plumb Back is a fully recirculating blow-off valve that offers a similar sound volume to the standard valve

however tuning & recalibration is recommended for optimal performance

proven form

Torque capacity Nm

Xtreme Clutch Conversion kit - HOLDEN RED - TOPLOADER 10x27mm KGM22090-1B Ukendt The Plumb Back is aThe Stage 2 clutch uses an upgraded pressure plate combined with a ceramic friction disc in sprung configurations. The stage two clutch range is designed for road and track going vehicles that require a higher torque capacity and temperature tolerance, and faster engagement. Clutch engagement is more aggressive than stage 1, so it is not recommended for daily driven vehicles. These kits feature a high quality cover with increased clamping force