Fel-Pro Ford Mustang 8857 SP-1 Engine Cylinder Head Spacer Shim

When you're rebuilding the top end of your Ford Mustang engine and need to get the valve train geometry just right, a cylinder head shim like this one from Fel-Pro is a critical piece. It's designed to provide a precise adjustment, ensuring your rocker arms are sitting correctly on the valve stems. This helps maintain proper lift and duration, which is essential for the engine to run smoothly and efficiently.

Fel-Pro is known for making well-built parts, and this shim is no exception. It's made to exact specifications to ensure it fits right and performs as expected. Getting the valve train geometry dialed in can make a noticeable difference in how your engine performs after a rebuild, and using a quality shim like this helps you achieve that accuracy. It's a small part, but it plays a big role in the overall health of your engine.