Holley Power Valve 4.5" STD Flow #125-45 Product Type_Woodruff BREATHER HEIGHT: 2 5/8"

BREATHER HEIGHT: 2 5/8"

WorkingTorque Range nm/(ft-lb) 0-30/(0-22) Bolt Cap mm/(in

Brand Holley

The trip mechanism is of the superior “latch type”

Holley Power Valve 4.5" STD Flow #125-45 Product Type_Woodruff BREATHER HEIGHT: 2 5/8"These 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