Aeroflow 6 Psi Blow Off Valve Spring Use With -8 To -12" Hg Step fittings fuel/Air/water Part Number: AF37-9998

Part Number: AF37-9998

Suits 1997-2003 GM LS Series engines

Chevrolet Small Block Chrome Fuel Pump Mounting Plate

Aeroflow Triple Chrome Finish 100 Amp Internal Regulator Alternator

Proflow's bump tube fittings and adaptors make it easy to convert power steering lines to AN lines for custom plumbing

Aeroflow 6 Psi Blow Off Valve Spring Use With -8 To -12" Hg Step fittings fuel/Air/water Part Number: AF37-9998Part Number: AF59 2152 these replacement blow of valve springs are specificallydesigned to fit inside the Aeroflow performance 50mm blowoff 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, weoffer either a softer 6 psi for turbo setups or a 2 psi spring designed for supercharger options.