The billet aluminum BV57 Bypass Valve flows an amazing 1,300 CFM @ 10PSIG. It features a large rolling diaphragm configuration with –4 AN signal hose connection and dual filtered vents that allow for quick valve response. The valve head attachment method provides valve articulation for perfect sealing to the mechanically retained valve seal. It also features adjustable spring preload and reconfigurable signal input locations. It can be mounted in any position and is adaptable to all types of boosted engine installations. This valve is designed for use in speed density or "blow-through" Mass Air configured applications only (no re-circulation). Assembly includes V-band mounting clamp and sealing O-ring. Requires mounting flange upon initial installation (sold separately).
