RCM Subaru EJ# Line bore Engineering Process ECU's & Components race and rally teams have

race and rally teams have preferred to use the original 2 piece tensioner system as it is more reliable than the later single piece tensioner

the flanges left from machining the inserts are milled close to the case deck surface

A genuine Subaru Timing Belt tensioner foam seal

To fit all Subaru Impreza's from 1992 - 2000

durable materials

RCM Subaru EJ# Line bore Engineering Process ECU's & Components race and rally teams haveSubaru EJ# Line bore Engineering Process At RCM Engineering, precision is at the heart of everything we do. Our Subaru EJ series line bore process has been developed and refined over decades of building and maintaining championship winning engines. Whether its a factory EJ20, EJ22, or EJ25, achieving perfect main bearing alignment is critical for reliability, performance, and oil system efficiency. What is Line boring? Line boring is the process of