FED M311 LS3/LSA Monster Cylinder Heads FED M311 LS3/LSA Monster Cylinder Heads Engineered and Machined by FED in the USA.Castings: 6 Bolt Head 0.750″ Deck Structure OEM/Factory Style Water Crossover Ports 7/16″ Stud Size For Main 10 Bolts 8mm Stud Size For Outer Tabs and... MSRP: Was: Now: $2,999.96 Add to Cart
