RCM O Ringed Thermal Spacer Kit V1/2 Quaife Feed to the pump varies

Feed to the pump varies from 8v to 12v depending on how the car is being driven

Items such as bearings

so when they become worn and begin knocking

Recovers lost torque and horsepower

RCM O Ringed Thermal Spacer Kit V1/2 Quaife Feed to the pump variesThe RCM O Ringed Thermal spacer kit contains everything required to install our Phenolic Spacers to your Subaru. The kit is designed to aid in the reduction of the air inlet temperatures in the inlet manifold, by isolating the manifold from the heat travelling through from the engine's cylinder heads. Sealing between the spacers, manifold and cylinder heads is by the clever integral double "O ring" design meaning conventional manifold gaskets are no