The order includes two products, a brand-new carburetor and a brand-new aluminum gasket.

1、New 1406 Performer 600 CFM 4-bbl Air Valve Secondary Electric Choke Carburetor

2、1" Ported aluminium alloy Carb Spacer 

The carburetor can be replaced by the gasket modification: Holley Carb Chevy 4BBL SBC BBC.& Holley 4150/4160 & AFB

Carburetor gasket kit is suitable for experienced machinists to install and use.