LS1/LS2/LS6 CNC Head Package CNC Chambers:OE Cast Chamber the dowel pinned main girdle

the dowel pinned main girdle provides additional reinforcement to handle high horsepower and torque outputs

math channels

Designed for modified engines

- Surfaced deck and torque-plate-honed cylinders for maximum precision

Stage 3 is rated for up to 350whp and is offered with a warranty

LS1/LS2/LS6 CNC Head Package CNC Chambers:OE Cast Chamber the dowel pinned main girdleNEW HEAD CORES INCLUDED!! Fully Assembled and a true ready to install cylinder head package. Free Shipping to 48 states! Rated for and tested at 1200+whp 15* Cathedral Port 230CC Intake Runner (CNC Ported) 2. 00" 1. 60" Manley Valves Brian Crower Beehive Spring kit (Max lift . 600") Bronze Valve Guides for improved valve stem life. Newen CNC Valve seat profiles for max efficiency and concentricity. Centroid 5 Axis ported for the most consistent