Crower 86109B2-16 Features:

Crower bead lock keepers for 5/16 in. valve stems 10° taper supports precise valve spring setup changes -.050 in. installed height for fine valvetrain adjustment Set of 16 steel keepers for race, street, marine, and truck use

Bead Lock Keepers 5/16 10 Degree -.050 In. Installed Features:

• 16-piece bead lock keepers for 5/16 in. valve stems, performance valve train fitment for precise spring retainer engagement
• 10° taper design for secure keeper-to-retainer lock, helps maintain consistent valve train geometry under high-rpm use
• -0.050 in. installed height for fine valve spring setup changes, supports precise spring seat pressure adjustment during assembly
• Steel construction for wear resistance and long service life, suited for demanding race, street, marine, diesel, truck, and off-road engines
• Bead lock keeper configuration for high-performance builds, engineered for reliable valve control in custom and competition applications