RCM O Ringed Thermal Spacer Kit V5/6 Exhaust Systems high-quality Subaru gaskets and high-tensile

high-quality Subaru gaskets and high-tensile fasteners

sprung and fully serviceable

5°C conditions are replicated

A forging is still the best way to manufacture a piston

RCM O Ringed Thermal Spacer Kit V5/6 Exhaust Systems high-quality Subaru gaskets and high-tensileThe 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