Ferrea Big & Small Block 5/16 .502 OD 2.240 Length .530 ID Exhaust Valve Guide - Single (D/S Only)

If you're rebuilding the top end of your Big or Small Block engine, getting the valve guides right is crucial for performance and longevity. This exhaust valve guide from Ferrea is designed to keep your valves moving smoothly and sealing properly within the cylinder head. It's a single guide, intended for the exhaust side, and features a 5/16 inch stem diameter with a .502 inch outer diameter and a length of 2.240 inches.

Ferrea is known for making well-built engine components, and this valve guide is no exception. It's made to precise specifications to ensure it fits right into your cylinder head, allowing the exhaust valve to operate without binding or excessive wear. Proper valve guide function is key to maintaining compression and preventing oil from entering the combustion chamber, which can affect performance and emissions.