S&S, Shovel SH rocker cover kit. Polished

Polished finish. Manufactured from CNC machined 6061-T6511 billet aluminum. Made with 2-piece rocker covers to ease installation and allow fitment with the engine installed in some frames. Includes the required special S&S straight rocker arms rocker arm shafts. Allows the use of OEM Shovel rocker arms and S&S roller rocker arms. Clearanced for valve lifts of up to .590″ with S&S roller rocker arms. Installes to head with 5/16″ bolts. Complete with gaskets, installation hardware and instructions. Note: Not compatible with OEM gaskets and o-rings. For replacement parts see 512518 for a replacement gasket and o-ring kit. 512503 for small o-ring rocker shaft. 512504 for large o-ring rocker shaft. 512509 for large rocker cover base. 512492 for replacement rocker shaft set.