Supertech Audi 11.045x36.15x 5.98mm Manganese Bronze Intake & Exhaust Valve Guide - Set of 10

If you're rebuilding the top end of your Audi engine, these valve guides from Supertech are a solid option. They're made from manganese bronze, a material known for its good wear resistance and ability to handle the heat and friction inside the cylinder head. This set includes ten guides, which is typically what you'll need for a complete engine rebuild.

Manganese bronze is a popular choice for valve guides because it offers a good balance of durability and lubricity. This means they can withstand the constant movement of the valve stem without excessive wear, and they also help keep the valve stem properly lubricated. The dimensions of these guides are 11.045mm outer diameter, 36.15mm length, and 5.98mm inner diameter, so be sure to check if they match your specific cylinder head requirements.