Brian Crower 6mm Intake Valve Guides WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models vendor_BC Racing -30vac to 35 PSI

-30vac to 35 PSI

Harmonics or high frequency fatigue is present in all racing engines and will usually destroy the valvetrain if not controlled

Part #: 15022-HDKV-A

fuel pressure graphs on the specs tab for more information

Gates 99-08 Subaru Forester / 99-05 Impreza / 00-05 Outback Timing Belt Component Kit w/ Water Pump (Timing Belt Tensioner 3 Idlers Water Pump)

Brian Crower 6mm Intake Valve Guides WRX 2002-2014 / STI 2004-2021 Subaru Turbo Models vendor_BC Racing -30vac to 35 PSIPart #: BC3960 BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances. BC guides are resistant to cracking and corrosion, while reducing friction and insures high lubrication even at elevated engine temperatures and rpm's.