LT4 HEAD PORTING SERVICE

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LME ups the ante on the GM LT4 heads by running its CNC porting as well as guide and valve upgrades. Swapping out the factory guides and installing CHE Precision manganese bronze g uides eliminates possible premature wear issues. With the new guides, GM titanium valves, and precision port work, these heads will be more than adequate at dealing with whatever punishment you may throw at your supercharged animal. ## By specifying your cam lift LME will assemble your cylinder heads with the proper spring installed height. This will result in optimal spring pressures and coil bind distance for maximum performance. Please include rocker ratio to ensure accuracy. (example: .650" lift with 1.8 ratio intake and exhaust) *All Cylinder Heads Are Priced As ASSEMBLED Pairs LME Standard Head Porting Process Clean carbon from intake exhaust and chambers (used cores) Through inspection Debur sharp edges Valve guide clearance measured and adjusted for application CNC ported intake exhaust and chambers Competition valve job Valve job hand blended into ports Combustion chambers measured and adjusted for application Meticulous final cleaning of cylinder head and components Intake valves back cut with optimal angle for application Heads assembled and spring pressure set up for specific cam lifts/application Show more