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

BREATHER HEIGHT: 2 5/8"

Brand Holley

Metric Fine Zinc Plated Conelock Nut Class 10 M20 x 1

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

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