This GSC Power Division manganese-bronze intake valve guide fits Nissan TB48DE engines and is sold individually as a +.001in oversize outer-diameter replacement. It’s intended for head service and valve job work to correct wear and restore appropriate valve-to-guide clearance without changing basic valve geometry, providing a durable guided surface for intake valves.
GSC P-D Nissan TB48DE Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single