LS3 SuperMax 260, Aluminium Cylinder Heads 15deg, Holden Chev, Bare

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Proflow does not sacrifice quality for a low price- you get both with our aluminium cylinder heads. Our LS3 cylinder heads are designed for street / race performance engines to give the ultimate in flow at a competitive price. Cast from A356 aluminium, these 15° LS3 rectangle port heads are designed to fit LS series engines with a 4.00″ or larger bore. These bare 275cc heads accept 2.165″ diameter intake valves and 1.60″ exhaust valves and have a 0.625″ deck thickness. Suits 6-bolt standard or LSX block designs.

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