AFR Eliminator Race Cylinder Head - Assembled - 2.100 / 1.600 in Valves - 227 cc Intake - 65 cc Chamber - 1.550 in Springs - Angle Plug - Pair 110008 Ratech is not a large

Ratech is not a large conglomerate selling all types of products and Ratech is not a packaging house

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Kit includes heavy and light sets of stainless steel return springs

Precision machined header flanges

AFR Eliminator Race Cylinder Head - Assembled - 2.100 / 1.600 in Valves - 227 cc Intake - 65 cc Chamber - 1.550 in Springs - Angle Plug - Pair 110008 Ratech is not a largeAFR 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