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The GSC Power Division manganese-bronze intake valve guide for Nissan TB48DE is an individual oversize replacement with a +.003in outer diameter. Offered to address worn guide bores during cylinder head service, it restores proper valve clearance and supports reliable seating and alignment of the intake valve throughout normal engine operation.
GSC P-D Nissan TB48DE Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
