Crower 86709X2-16 Features:

Precision-machined billet chromoly steel valve locks for 5/16 in. valve stems Super 7 degree design with a -.050 in. installed height for spring height adjustment Heat-treated construction helps resist shoulder shearing under high-performance use Color-coded height variation allows quick identification during engine assembly

Super Seven Locks Machine 5/16 In. Stem, -.050 In. Features:

• Precision-machined billet chromoly steel construction for 5/16 in. valve stems and dependable high-load valvetrain retention
• Heat-treated 7-degree locks for maximum strength and improved resistance to shoulder shearing in performance engines
• -.050 in. installed height correction for precise valve spring setup and added flexibility during engine assembly work
• Color-coded height identification for quicker part verification, easier organization, and reduced setup confusion during service
• 16-piece set of machined valve stem keepers for consistent fit, secure retention, and repeatable valvetrain assembly results