M311 LS3 Cylinder Head Rect-Port Assembled - 113004 - FRANKENSTEIN ENGINE DYNAMICS

M311 LS3 Cylinder Head Rect-Port Assembled - 113004 - FRANKENSTEIN ENGINE DYNAMICS

Cylinder Head - M311 - Assembled - 2.165 / 1.600 in Valves - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each