GSC Power Division Viton Valve Stem Seals WRX (02-14) STI (04-18) Honda the TurboXS RFL blow off

the TurboXS RFL blow off valve for the Subaru WRX and STI remains true to it's roots - it's still really loud

but can really benefit from stiffening the chassis and reducing body roll

This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles

GrimmSpeed has designed an alternator pulley cover for the Scion FR-S and Subaru BRZ which has an integrated tool tray for when you are working under the hood

A4 Cabrio 2WD 4cyl (03-08) - F: 1

GSC Power Division Viton Valve Stem Seals WRX (02-14) STI (04-18) Honda the TurboXS RFL blow offGSC Power Division Viton Valve Stem Seals for the WRX & STI include the entire 6mm valve size seal set (8 intake and 8 Exhaust) so you will have no guess work when it comes to installation. These stem seals are an upgrade from the standard OEM material to help cope with the higher heat caused by high performance Subaru EJ engines. Note: Full set includes 8 intake and 8 exhaust stem seals. For Subaru EJ Turbo Engines only. FITMENT: Subaru STI 2004 2014