Blow Off Valve Spring AF59-2150 Product:2 PSI Suit Supercharger Application Made From Copper/Steel

Made From Copper/Steel

Subaru Impreza 2

AF451-10-08BLK

AF300-151BLK

they weld on to finsh off your heavy duty diff housing

Blow Off Valve Spring AF59-2150 Product:2 PSI Suit Supercharger Application Made From Copper/SteelBlow Off Valve Spring2 PSI Suit Supercharger Application AF59 2150 59 2150 These replacement blow of valve springs are specifically designed to fit inside the Aeroflow Performance 50mm blow off valves. Both of our Aeroflow Performance blow off valves feature a 11psi spring from out of the box. If you wish to change this spring, we offer either a softer 6 psi for turbo setups or a 2 psi spring designed for supercharger options.