Cylinder Head - E-Street - Assembled - 2.140 / 1.810 in Valves - 210 cc Intake - 84 cc Chamber - 1.550 in Springs - Straight Plug - Aluminum - Mopar RB-Series - Pair

Cylinder Head - Performer RPM - Assembled - 2.140 / 1.810 in Valves - 210 cc Intake - 75 cc Chamber - 1.550 in Springs - Angle Plug - Aluminum - Mopar B / RB-Series - Each

Cylinder Head - Performer RPM - Assembled - 2.140 / 1.810 in Valves - 210 cc Intake - 88 cc Chamber - 1.550 in Springs - Angle Plug - Aluminum - Mopar B / RB-Series - Each

Cylinder Head - Performer RPM - Assembled - 2.140 / 1.810 in Valves - 210 cc Intake - 84 cc Chamber - 1.550 in Springs - Straight Plug - Aluminum - Mopar B / RB-Series - Each

Cylinder Head - Performer RPM - Assembled - 2.140 / 1.810 in Valves - 210 cc Intake - 84 cc Chamber - 1.550 in Springs - Straight Plug - Aluminum - Mopar B / RB-Series - Each

Cylinder Head - Victor - Bare - 2.200 / 1.810 in Valves - 280 cc Intake - 72 cc Chamber - Angle Plug - Aluminum - Valves - Mopar B / RB-Series - Each