Description
Trick Flow Gen X Cylinder Head Assembled 2.040 1.570" Valves 220 cc Intake 64 cc Chamber H759001M Additional features include a fully WEI7155 Additional features include a fully adjustable mechanical advance consisting of a hardened advance cam 2003 2006 Chevrolet Avalanche 2500 Product Description: Trick Flow built their reputation on designing and producing power boosting aluminum cylinder heads for high performance engines