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Bronze Valve Guides have more wear resistance than the stock steel valve guides.
This kit includes 24 Intake & Exhaust Bronze Valve guides.
Whether rebuilding stock or High HP applications, these are a great idea for anyone rebuilding a VQ35 engine. To properly perform a port job it is recommended to drive out stock valve guides and we recommend driving back in a set of bronze guides when the port work is completed.
Manganese-Bronze Valve Guides are your best buy because:Our valve guides are manufactured completely in the United States of America from the finest material available.
Our bronze material exceeds all original equipment specifications and is at least more durable than any currently competing U.S.A. produced bronze valve guide.
Our bronze alloy utilizes hard filament shaped wear particles, evenly distributed throughout the material, and aligned along the length of the finished valve guide. This type of metallurgical structure is compatible with all modern valve stem materials.
Our bronze alloy has the highest heat transfer rate of any bronze valve guide alloy:
More than 200% of nickel-aluminum bronze.
More than 200% of aluminum-silicon bronze.
Exceeds phosphor bronze alloys with 88% copper!