Valve guide SUBARU EJ20 / EJ25 WRX / STi Turbo DOHC / Impreza WRX / STi Brabus 0L with standard rollers

0L with standard rollers

Compressor wheel: 58/76

2 E (E-AA) 1981-1986

USB powered for calibration changes when removed from vehicle

Valve guide SUBARU EJ20 / EJ25 WRX / STi Turbo DOHC / Impreza WRX / STi Brabus 0L with standard rollersOur valve guides are precisely made of high quality manganese bronze. The Supertech valve guides are designed to be used in conjunction with our valves with low friction black nitrided material to provide the best solution in terms of both performance and durability. In the case of exhaust valves designed for use in high power engines that require a better heat transfer coefficient, we use a copper alloy conductor. Copper has about three times higher