These hardened steel balls are inserted into the stud holes before the cover studs are threaded in to keep the studs from galling the housing and help disperse any stress created when installing the cover studs
25 in Oval Body
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Single Bar
Fel-Pro Corklam Valve Cover Gaskets - Cork, Rubber w/ Steel Core - Ford, Lincoln, Mercury - SB 351W 1962-87 - 5, 16" Thick Boost / Vacuum Gauge These hardened steel balls areFel Pro deliver reliable sealing under grueling racing conditions. From the leader in aftermarket engine sealing, FEL PRO the gaskets professionals trust. Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function. FOP Performance V8, 260 (4. 3L), 289 (4. 7L), 302 (5. 0L), 351W (5. 8L); Cork Lam Cork Lam uses a metal core with cork rubber material chemically and mechanically