The Fel‑Pro crankshaft seal kit for Ford Windsor small block engines (FEL‑PRO 2921) provides a 0.390-inch thickness seal designed to replace worn crankshaft seals. Built to perform under high crankcase vacuum, elevated temperatures and high RPM, the fluoroelastomer compound offers resistance to heat, oils and abrasion for long service life. Not intended for use in emission‑controlled vehicles.
Fel-Pro Ford Windsor Small Block Engine Crankshaft Seal Kit - 0.390in Thickness