Features:
Features a tumble polished finish - can also be hand polished
Optimized street calibration that works-out-of-the-box
Factory preset electric choke for easy startups
Glass fuel level sight windows for easy, safe float adjustments
Vacuum secondaries allow use on a wide variety of vehicles. Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included)
4 corner idle allows you to precisely control your idle system
Aluminum construction for a 44% weight savings
Ford A/T kickdown
Fuel line kit included so there are no unnecessary trips back to the parts store
Limited lifetime warranty - Guaranteed to be free from defects in material and workmanship for the life of the product!
100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Barrels 4
Booster Straight
Brand Holley
CFM 670
Choke Electric
Emission Code 3
Finish Shiny
Fuel Gasoline
Fuel Inlet Dual
Material Aluminum
Model 4150
Product Type Carburetor
Secondaries Vacuum
Supercharged Application No
Throttle Bore 1.563 inch
Vacuum Ports 1 timed (spark) port, 2 full, and 1 PCV port