FRANKENSTEIN ENGINE DYNAMICS – M311 LS3 Cylinder Head Rect-Port Assembled
FED113002
Cylinder Head – M311 – Assembled – 2.165 / 1.600 in Valve – 273 cc Intake – 71 cc Chamber – Aluminum – LS3 – GM LS-Series – Each
Uses Factory Stock Style Rocker Arms. Requires FED913001 Billet Rocker Stand Sold Separately