FED M311 LS3/LSA Monster Cylinder Heads FED M311 LS3/LSA Monster Cylinder Heads Engineered and Machined by FED in the USA. Fully CNC ported, 72cc chamber volume 273cc intake port, 112cc exhaust port and 11° valve angle High Quality Components: Black Nitride Stainless Steel Severe... MSRP: Was: Now: $2,999.96 Choose Options
