RCM O Ringed Thermal Spacer Kit V3/4 39381-T60-G01 A performance engine oil featuring

A performance engine oil featuring NANODRIVE low friction technology for vehicles requiring a 0w30 viscosity

a completely new design

It can be installed on vehicles with genuine SU carburettors (heat shield modification required)

significantly reducing the cost

Excellent Nissan quality and a common pain point on the SR20DET

RCM O Ringed Thermal Spacer Kit V3/4 39381-T60-G01 A performance engine oil featuringThe 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