GSC P-D Nissan VQ35 Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single

This is a single GSC Power Division exhaust valve guide for Nissan VQ35 engines. It's made from manganese bronze and is +.003 inch oversize on the outside diameter, meaning it's designed to be honed to fit a specific valve stem size during an engine rebuild. Valve guides are critical for proper valve seating and sealing, ensuring your engine runs efficiently and smoothly.

Manganese bronze is a solid material choice for exhaust valve guides because it offers good wear resistance and heat dissipation, which is important for the high temperatures found in the exhaust port. This particular guide is +.003 inch oversize, which is common when you're rebuilding an engine and need to ensure a precise fit with new or reconditioned valve seats. You'll typically hone these guides to achieve the correct valve stem clearance.