Holley Power Valve 4.5" STD Flow #125-45 BLAS-S4 3/4" Diameter Rotaloc Annular Cutter

3/4" Diameter Rotaloc Annular Cutter

Hub Finish: Natural

Unit contains sensitive voltage limiting devices—Test @ 250V only

Overall Length:69mm

Food Grade Machinery Grease

Holley Power Valve 4.5" STD Flow #125-45 BLAS-S4 3/4" Diameter Rotaloc Annular CutterThese 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