RCM V5/6 Uprated Valve Springs Service Items_Spark Plugs The plenum volume and runner

The plenum volume and runner length combination has been optimized for brutal low and mid range torque while increasing top end power aggressively

such as oil sticking to the air flow meter

This particular kit includes the increasingly popular HKS Kevlar belt

The RCM332 rear silencer / back box is designed to fit 2 and 4 door Impreza's from 1992 to 2007

with a design that offers drivers and engineers unparalleled damping control

RCM V5/6 Uprated Valve Springs Service Items_Spark Plugs The plenum volume and runnerDeveloped in conjunction with the WRC engine valves, Roger Clark Motorsport have developed their own range of high quality uprated valve springs. These springs offer an increased spring rate over the standard genuine spring, helping to eliminate valve bounce at high engine revs. These springs have an unfitted length of 43. 5mm, a coil diameter of 3. 8mm and weigh in at approx 40gm each.