RCM O Ringed Thermal Spacer Kit - Spec C 53540-S04-0135 It was found that the

It was found that the cause was 1) a rise in intake temperature

We also altered the geometry to

these Spoon Sports progressive springs unlock the Civic Type R FL5's true performance potential

and durability needed to unleash your engine’s full potential

when developing the TE37 SAGA SL

RCM O Ringed Thermal Spacer Kit - Spec C 53540-S04-0135 It was found that theThe RCM O Ringed Thermal spacer kit contains everything required to install our Phenolic Spacers to your Subaru. This kit has been designed to be used on the Spec C model which has the single piece inlet manifold. 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