Holley Power Valve 4.5" STD Flow #125-45 Product Type_Woodruff Brand Holley

Brand Holley

Serr Flange Bolt & Nut ZP UNF 5/16 x 1/2 x 25pc QUALITY ASSURED DELIVERED FREIGHT FREE

• 80° cutting edge angle

Drill diameter 22

Holley Power Valve 4.5" STD Flow #125-45 Product Type_Woodruff Brand HolleyThese power valves are an important component in the power enrichment circuit of Holley's performance carburetors. They operate by using engine vacuum to control their opening and closing rate. When they open, additional fuel is supplied to the main system during heavy load or under full power situations to eliminate hesitation and bogging ensuring the smooth delivery of power without any drivability concerns. They're available in many different