SpeedFactory Racing Billet M28 to -10AN Adapter Fitting - Single Fitting - SF-02-022 105mm Features/benefits of the all new

Features/benefits of the all new 50mm Blow Off Valve include:

the gasket edge includes a folded stopper layer that allows for optimal sealing for the combustion chamber

2013:Subaru:Impreza:WRX STI Limited

**FA engines with tight hood clearance we recommend the use of the WIX 57099XP (short)

2x Internal Springs

SpeedFactory Racing Billet M28 to -10AN Adapter Fitting - Single Fitting - SF-02-022 105mm Features/benefits of the all newSpeedFactory Racing Billet M28 TO 10AN Adapter Fittings were designed specifically for use on Honda Acura engines to utilize the M28 threaded hole(s) on the back of the B Series engine block for your aftermarket oil catch can breather system, resulting in the proper crankcase ventilation your high performance engine needs. These fittings can also be used in B Series cylinder heads for dry deck type cooling system setups where coolant is running