Holley Power Valve 4.5" STD Flow #125-45 MHC5024 MILCOOL®1311 is recommended for use

MILCOOL®1311 is recommended for use in a wide range of water qualities

Trubor 28mm Hand Reamer 124mm Flute Length x 247mm Overall Length

Brand: ARP

472 in Dim

higher torque applications with positive grip and balance

Holley Power Valve 4.5" STD Flow #125-45 MHC5024 MILCOOL®1311 is recommended for useThese 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