The Speedmaster PCE259.1009.01 Rocker Stud Girdle Kit is designed for Ford Small Block 289, 302, and 351 Windsor engines, providing added stability and rigidity to the valvetrain by linking the rocker studs together. Finished in black, this girdle kit helps reduce rocker stud flex under high-performance or high-RPM conditions, contributing to more consistent valve timing and improved overall engine reliability.
This kit includes 3/8" polylock nuts, allowing for secure and precise rocker arm adjustment while resisting loosening under demanding operating conditions. Whether you're building a street performance or track-focused Ford small block, the Speedmaster stud girdle kit is a straightforward valvetrain upgrade that complements aftermarket rocker arms and performance cylinder head combinations.