HEAD ESTREET SBC 70CC PR

Assembled; Chevy Small Block; Natural Aluminum; Straight Plug; 185 CC Intake Port; 60 CC Exhaust Port; 70 CC Chamber Volume; 2.02 Inch Intake Valve; 1.60 Inch Exhaust Valve; 1.25 Inch Spring Diameter; Set Of 2; With Pushrod Guides; Rocker Studs