Crower 86118X1-PR Features:

Crower 86118X1-PR valve locks, pair, for LS1 applications with 8 mm valve stems and 1-groove bead lock design. 7° lock angle with +0.050 in. installed height helps achieve correct valve spring setup during assembly. Precision-machined from chromoly steel billet bar stock for high-strength performance in high-speed engines. Heavily heat-treated keepers help resist shoulder shearing and improve durability over stock-style locks.

Valve Locks 8MM 7 Degree LS1 Bead Lock +0.050 Features:

• 8 mm LS1 beadlock keepers, 7-degree taper, +0.050 in. installed height, pair for accurate spring setup
• Machined chromoly steel billet construction, heat-treated for maximum strength and wear resistance in high-rpm valvetrains
• 1-groove beadlock-style design, helps secure the valve stem and reduce shoulder-shearing risk under high spring loads
• Designed for modern high-speed engines, supports high-tension valve springs with greater durability than stock keepers
• Color-coded height variant for quick assembly ID, precision-made to help engine builders achieve correct installed height