Roger Clark 8mm O Ringed Thermal Phenolic Spacer Kit Catless Aspirated Down Pipes/Front Pipes Strapped to a Mainline Chassis

Strapped to a Mainline Chassis dyno (well known for their accuracy and repeatability) the first test was to perform totally cold runs between KHANACOOLER and stock to show the gains that come from less boost restriction alone

BSP threads

white oil pressure and black/white fuel pressure faceplates available separately (30-0301-ACC)

New V2 design has upgraded small pin reinforcement ring for loosening the toughest crank pulley bolts

there are two types of dampers in the way that they operate internally

Roger Clark 8mm O Ringed Thermal Phenolic Spacer Kit Catless Aspirated Down Pipes/Front Pipes Strapped to a Mainline ChassisThe 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