World's design and engineering team has taken the best attributes of factory LS7 and C5R heads, factored in improvements that were developed though many years of competition, and added a few features of their own to come up with the ultimate, state-of-the-art cylinder head for GM's LS-series engines.
FeaturesImproves replacement for LS7 and C5R applicationsProvisions for two extra head studs per cylinderHuge 285cc intake runners; 64cc & 72cc C5R-style cambersUses big 2.200" intake and 1.600" exhaust valves (5/16" stem)Valve spring seats can accommodate 1-5/8" o.d. springs12º valve angle, uses standard LS7 valve train components Rocker arm stud angle also 12º for optimum geometryValve cover raised .600" to clear any rocker arm setupLS7 intake manifold opening size and bolt patternHighly efficient C5R style exhaust portsMade of 355-T6 aluminum, Thick .750" deck
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