AFR Eliminator Race Cylinder Head - Assembled - 2.100 / 1.600 in Valves - 227 cc Intake - 65 cc Chamber - 1.55 in Springs - Angle Plug - Pair NG21 All QA1'springs are manufactured using

All QA1'springs are manufactured using the highest quality materials for high strength

***If replacing the old style socket clip on cap

2009-2011 GMC Yukon

1976-1980 Dodge D100 Panel

AFR Eliminator Race Cylinder Head - Assembled - 2.100 / 1.600 in Valves - 227 cc Intake - 65 cc Chamber - 1.55 in Springs - Angle Plug - Pair NG21 All QA1'springs are manufactured usingAFR 227cc intake port small block Chevy angle plug aluminum cylinder heads are available in two stages of performance. The Race Ready version features 100% CNC ported intakes while the higher flowing Competition version features 100% CNC ported intakes with greater detail. Both come with 100% CNC ported 65cc or 75cc combustion chambers and 80cc exhaust ports with a 3 4'' thick head deck (ideal for nitrous or blower applications). Standard valves are