Cylinder Head - Twisted Wedge - Assembled - 1.840 / 1.450 in Valves - 185 cc Intake - 38 cc Chamber - 0.940 in / 1.050 in Springs - Aluminum - Ford Modular - Each
Cylinder Head - Power Port - Assembled - 2.190 / 1.760 in Valves - 240 cc Intake - 78 cc Chamber - 1.560 in Springs - Aluminum - Mopar B / RB-Series - Each
Cylinder Head - Super 23 - Assembled - 2.020 / 1.600 in Valves - 195 cc Intake - 62 cc Chamber - 1.460 in Springs - Angle Plug - Aluminum - Small Block Chevy - Each