One pair of 2.7" MCSA Intake runner GE LT Cylinder Heads CNC Ported, valve jobbed with Greg Good developed CNC Chambers. These chambers are 3cc smaller than a factory chamber.
Suits shaft mount rocker system for use with high lift solid roller camshafts. Requires longer intake and exhaust valves.
These are our bigger intake port port offering and are best suited to engines running aftermarket plastic factory style manifolds, Holley Hi Rams, factory style blower and LME aftermarket intake manifolds.
Heads accept factory length and diameter valves with factory rocker gear.
Head bolt counterbores are smaller than factory offerings to increase strength and require the use of head studs with .875" OD 12 point nuts and washers.