Rare Parts › ARC SUPER BLOW OFF VALVE Image 1 of 3 Image 2 of 3 Image 3 of 3 ARC SUPER BLOW OFF VALVE $255.00 sold out Polished/Raw finish, early style with the removable funnel. Fits universal two bolt flanges. Sold Out Added! Polished/Raw finish, early style with the removable funnel. Fits universal two bolt flanges.