Cylinder Head - Gen X - Assembled - 2.055 / 1.575 in Valves - 225 cc Intake - 65 cc Chamber - 1.300 in Springs - Angle Plug - Aluminum - GM LS-Series - Each
Cylinder Head - Assembled - 2.020 / 1.600 in Valves - 180 cc Intake - 64 cc Chamber - 1.460 in Springs - Angle Plug - Aluminum - Small Block Chevy - Each
Cylinder Head - Assembled - 2.020 / 1.600 in Valves - 180 cc Intake - 64 cc Chamber - 1.460 in Springs - Straight Plug - Aluminum - Small Block Chevy - Each
Cylinder Head - Renegade Race - Assembled - 2.100 / 1.570 in Valves - 220 cc Intake - 72 cc Chamber - 1.550 in Springs - Aluminum - Small Block Ford - Pair