LS1/LS2/LS6 CNC Head Package CNC Chambers:OE Cast Chamber Designed for modified engines

Designed for modified engines

allowing you to flash your ECU from anywhere

24 Magnet placements per weight arm

*Send Cores with your sales receipt to 441 Victory Rd Winchester

Superior Strength and Durability: The Stage 3 Trail-Maxx Crate Engine includes a range of enhancements to maximize strength and reliability

LS1/LS2/LS6 CNC Head Package CNC Chambers:OE Cast Chamber Designed for modified enginesNEW 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