• Designed for all 396-502 engines with GM aluminum heads (1975 and earlier) and large oval-port iron heads
  • Has a dual-plane design with spread bore flange and a dual-bolt pattern
  • Has no provisions for a hot-air choke, but will accept a divorced choke or electric choke
  • Accepts air conditioning and alternator brackets
  • Use intake manifold gasket P/N 12366985 and bolt kit P/N 12367959

NOTE: May not fit on many Corvette models. Manifold height is 6″ at the rear and 4.5″ in front. Check for hood clearance before ordering.

NOTE: Open carburetor spacer is not recommended with use of dual-plane manifolds.