Cylinder Head - Mexico National Nascar Spec Head - 190 cc Intake - 7/16 in Rocker Arm Studs - Straight Plug - Vortec - Aluminum - Small Block Chevy - Pair
Cylinder Head - Vortec - Assembled - 2.000/1.550 in Valves - 185 cc Intake - 66 cc Chamber - 1.320 in Springs - Straight Plug - Cast Iron - Small Block Chevy - Each