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Gen III Hemi
does NOT use GM OEM Valve cover gaskets
Deck surfaces machined perpendicular to mains & deck height set for optimal quench
(Turbo kits for stock intakes fit)
-Degrees in the same as a factory phaser
LT1/ LT4 LME RACING HEAD Spring Kit:PAC 1209X Spring Kit Gen III HemiCongratulations!! You have found the highest flowing and most powerful LT1 LT4 cylinder head on the market. LME pulled these castings straight from Edelbrock's foundry right here in the USA and machined them to perfection. THICK CASTING FREEDOM TO DESIGN PORTS FOR BIG HP REVISED EXH PLACEMENT STRAIGHTEN EXH FACTORY HEADS HAVE A TWIST EXH CFM OVER 300 THICKER DECK FOR IMPROVED HEAD GASKET SEALING REVISED VALVE GUIDE LOCATIONS OPTIMIZED FOR HIGH HP,