Holley Power Valve 4.5" STD Flow #125-45 Product Type_Woodruff - Suitable for materials up

- Suitable for materials up to 1200N/mm2

This precision boring head is the perfect tool for boring out very accurate holes on a vertical mill or a lathe

Brand Holley

Flute length 124mm

• 80° cutting edge angle

Holley Power Valve 4.5" STD Flow #125-45 Product Type_Woodruff - Suitable for materials upThese 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