Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair
Cylinder Head - PowerPort - Assembled - 2.190 / 1.760 in Valves - 270 cc Intake - 78 cc Chamber - 1.550 in Springs - Aluminum - Mopar B / RB-Series - Each
Cylinder Head - Power Port - Assembled - 2.020 / 1.570 in Valves - 190 cc Intake - 60 cc Chamber - 1.460 in Springs - Aluminum - Small Block Mopar - Each
Cylinder Head - Twisted Wedge - Assembled - 2.055 / 1.600 in Valves - 190 cc Intake - 56 cc Chamber - 1.295 in Springs - Aluminum - Small Block Ford - Each