Rare Parts › ARC SUPER BLOW OFF VALVE Image 1 of 3 Image 2 of 3 Image 3 of 3 ARC SUPER BLOW OFF VALVE $345.00 sold out Super rare Red finish, early style with the removable funnel. Fits universal two bolt flanges. Sold Out Added! Super rare Red finish, early style with the removable funnel. Fits universal two bolt flanges.