Blow Off Valve Spring, Black 6 PSI. Use With Turbo -8 To -12″ Hg. Peter K 6 years ago Replacement Parts Suit Aeroflow Blow Off Valves – AF64-5050 & AF64-5051. Blow Off Valve Diaphragm & O-Ring Spares Kit Suit AF64-5050 BOV.DateJune 4, 2020In relation toSimilar postReplacement Billet V-Band Clamp 50mm, Suits AF64-5050 Blow Off Valves.DateJune 4, 2020In relation toSimilar postReplacement O-Ring, Suit 50mm Blow Off Valve V-Band AF64-5050.DateJune 4, 2020In relation toSimilar post