Description

  •  Holley 4150-style 850-cfm 4-bbl carburetor
  •  Features show-car-quality polished finish
  •  Mechanical secondaries
  •  Electric choke
  •  Power valve blowout protection
  •  Four-corner idle adjustment
  •  Custom-calibrated for the ZZ572/620 crate engine
  •  Recommended for 502 crate engines and suitable for Big-Block engines, including competition and off-road vehicles
  •  Bolts and gaskets included
  •  Replaces Holley 4160 850-cfm carburetor P/N 88961560 NOTE: Carburetor can only be recalibrated for use with other large-displacement engines.