AED Holley Carb Metering Block Conversion Kit - Fits Holley 450-600 Side Pivot Bowls Sprint Car & Open Wheel Catalog an elastic enclosure

an elastic enclosure

Available in All-Black

1955-1957 Pontiac Chieftain

Trick gasketed vacuum secondary diaphragms

AED Holley Carb Metering Block Conversion Kit - Fits Holley 450-600 Side Pivot Bowls Sprint Car & Open Wheel Catalog an elastic enclosureThese handy kits are designed to convert 4160 carburetors to 4150 style with the addition of new metering blocks and hardware kits that provide you with the means to effectively tune the secondary side of the carburetor over the nonadjustable jet plates. Includes all components necessary except main jets. AED Performance has offered the highest quality carburetor components for over 25 years. Product Description: Metering Block Secondary Conversion to