Needle and seat design eliminates external float level adjustment Dual feed fuel inlet with vacuum secondary type Silver finish with built-in secondary fuel filters Includes vacuum for PCV, EGR, power brakes, distributor, air cleaner, and canister Power valve blow-out protection adds trouble free operation
Holley 0-80670 670 CFM Four Barrel Carburetor Features: No Trouble Quick Change Adjustable Vacuum Secondary; 4th Generation No Trouble Power Valve; Built-In No Trouble Secondary Fuel Filters; Adjustable Needle and Seat; No Trouble Electric Choke; Four Vacuum Ports; Street Avenger Fuel Metering SystemInstallation Notes: