RCM O Ringed Thermal Spacer Kit V5/6 Exhaust Systems A forging is still the

A forging is still the best way to manufacture a piston

sprung and fully serviceable

new inner and outer oil seals

This dry sump system can deliver a far more consistent oil pressure to the engine

5°C conditions are replicated

RCM O Ringed Thermal Spacer Kit V5/6 Exhaust Systems A forging is still theThe 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