Edelbrock Single SBC Etec-200 Head Comp

Replacements for 302, 327, 350 & 400 SB Chevy engines with "Vortec-style" manifolds. Features LT1-style raised runner intake port for increased airflow. Unique combustion chamber positions spark plug closer to the center for efficient combustion and more power. Includes adjustable rocker stud and guide plate setup. Offers 20% more exhaust flow than cast iron Vortec heads, good for performance up to 6000 rpm, and can achieve 9.5:1 compression with stock pistons in 350 cubic-inch engines. Dual-drilled for 1987-95 center bolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds.