Aluminium fuel rail to suit ST170 lower section. CNC machined injector pockets and mounts ensure perfect fit every time.

ST170 Plenum Back Plate. For fabricating your own plenum. To be used with the intake manifold lower. CNC machined in house.

Our ST170 plenum designed for rear wheel drive applications. This plenum is specifically for fitment into a Sierra which requires an extra section to angle the throttle body down due to the slope of the bonnet. CNC machined back plate with oval...

Our ST170 plenum designed for rear wheel drive or front wheel drive applications. CNC machined back plate with oval ports and radiused port entries. The underside has take off points for brake vacuum, gauges etc. You can select which...