STAGE 2 Cylinder Head - GM 6.6L Duramax 2004.5-2005 LLY (110100022)
CUSTOM BUILDS AVAILABLE. CALL US AT (725) 238-20025 TO DISCUSS YOUR PROJECT NEEDS BEFORE PLACING ORDER.
Includes everything in Stage 1 and also has larger exhaust and intake valves, bronze valve guides, larger valve seats, and larger spring cup bases to accommodate the larger valves. These flow 75 CFM more than stock heads on the intake and exhaust ports.