Aeroflow 11 Psi Blow Off Valvespring Use With 64-4050 New Carburettor and TBi pulley only to suit holden

pulley only to suit holden 253-308 v8 gilmer kit

Proflow’s barbed tee piece fitting adaptors allow the easy connection of multiple hose lines

Part Number : AF72-9905BLK

Fits 700R4 and Buick

Aeroflow 11 Psi Blow Off Valvespring Use With 64-4050 New Carburettor and TBi pulley only to suit holdenPart Number: AF59 2153 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.