Speedmaster PCE354.1006 valve stem seals are constructed from a durable combination of steel and Viton material, delivering superior heat and chemical resistance to keep oil consumption in check and combustion chambers clean. The precision 0.375" stem diameter and 0.563" seal dimension ensure a reliable, consistent fit for demanding performance and street applications.
Designed to suit Ford FE engines, these seals are a straightforward upgrade or replacement choice when rebuilding or refreshing your top end. The Viton compound is well-regarded for its ability to maintain a positive seal under elevated temperatures, making these an ideal choice for high-performance Ford FE builds.