Dial in your power valve opening point with these different power valves.
HOLLEY HIGH FLOW POWER VALVE 9.5" W GASKET 2300 4150 4160 4500 CARBURETOR
HOLLEY HIGH FLOW POWER VALVE 5.5" W GASKET 2300 4150 4160 4500 CARBURETOR
Holley-QFT-AED-CCS 10.5 High Flow Power Valve 25-105QFT Hi-flow FOUR DOOR
AED 5045 4.5" Power Valve High Flow Single Stage Holley Carburetor
AED 5025 2.5" Power Valve High Flow Single Stage Holley Carburetor
2- HOLLEY .110" HIGH FLOW NEEDLE & SEATS, AED BG DEMON QFT