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The GSC Power Division intake/exhaust valve guide is supplied as a single service piece for BMW N63 and S63 engine applications. This valve guide is intended for use during cylinder head service or valve-train maintenance to restore proper valve fitment and sealing. Sold individually, it allows targeted replacement when a single guide requires attention during head rebuilding or repair.
GSC P-D BMW N63/S63 Intake/Exhaust Valve Guide (Single)
