Holley Power Valve 5.5" Standard Flow #125-55 CGN107 GUIDE PLATES (CHEV Small Block)

GUIDE PLATES (CHEV Small Block) - 5/16 FLAT SET

Cutting length 51mm

Maximum flow and power gains

Spiral-Wound core with 350 ohms per foot resistance for EMI and RFI suppression delivering maximum fire power without radio interference

Holley Power Valve 5.5" Standard Flow #125-55 CGN107 GUIDE PLATES (CHEV Small Block)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