The Fel‑Pro cylinder head spacer shim for Ford Mustang (SP‑1, 8857) supplies a vehicle-specific shim intended for cylinder head service. As a precise replacement component, it helps restore proper spacing during engine reassembly. The part is presented as an application-specific service piece from Fel‑Pro to support correct fit when installing cylinder head shims in the listed vehicle.
Fel-Pro Ford Mustang 8857 SP-1 Engine Cylinder Head Spacer Shim