Edelbrock Cylinder Head - Performer - Assembled - 1.940 / 1.550 in Valve - 170 cc Intake - 60 cc Chamber - 1.460 in Springs - Straight Plug - Aluminum - GM LT-Series 1992-97 - Each-61905--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO