Edelbrock Cylinder Head - Performer RPM - Assembled - 2.140 / 1.810 in Valve - 210 cc Intake - 84 cc Chamber - 1.550 in Springs - Straight Plug - Aluminum - Mopar B / RB-Series - Each-60925--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO