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Moroso Chevrolet big-block valve cover pair for symmetrical port or stock heads, featuring a -12AN fitting and aluminum construction. These covers fit big-block Chevrolet V8 applications that require a -12AN port for plumbing or breather routing, offering a durable aluminum housing suited to custom plumbing and engine-dress setups.
Moroso Chevrolet Big Block (w/Symmetrical Port/Stock Heads) Valve Cover -12An Fitting - Alum - Pair
