Cylinder Head - Performer RPM - Assembled - 2.020 / 1.600 in Valves - 176 cc Intake - 58 cc Chamber - 1.460 in Springs - Angle Plug - Aluminum - Small Block Mopar - Each

Cylinder Head - Victor - Assembled - 2.150 / 1.600 in Valves - 225 cc Intake - 58 cc Chamber - 1.550 in Springs - Angle Plug - Aluminum - Small Block Mopar - Each

Cylinder Head - Victor CNC - Bare - 2.165 / 1.600 in Valves - 263 cc Intake / 68 cc Chamber - Aluminum - GM LS-Series - Each

Cylinder Head - Assembled - 1.940 / 1.500 in Valves - 170 cc Intake - 64 cc Chamber - 1.280 in Springs - Straight Plug - Iron - Small Block Chevy - Each