Add to Cart Fuel Regulator/Damper Kit Billet AL 40-100 PSI HOLLEY MSRP: Now: $334.75 Was: Fuel Pressure Regulator - 40-100 psi - In-Line - Damper - 8 AN Female O-Ring Inlet - 8 AN Female O-Ring Outlet - 1/8 in NPT Port - Aluminum - Black Anodized - E85 / Gas / Methanol - Each HLY12-1001