Crower 86120S-1 Features:

Crower lash cap for 5/16 in. valve stems; fits 0.310 in. to 0.312 in. stem diameters. 0.060 in. deep design adds a 0.060 in. margin to help protect valve tips from wear. Machined from high-grade chromoly steel with a natural finish and heat-treated for strength. Helps correct rocker geometry by increasing rocker arm-to-retainer clearance in valvetrain setups.

Lash Caps 5/16 .060 Deep Chromoly Steel Heat-treated 5/16 Features:

• 5/16 in. valve stem fitment for 0.310 in. to 0.312 in. stem diameters, 0.060 in. lash cap depth for precise valvetrain setup and reliable installed-height consistency in demanding engine builds
• Heat-treated chromoly steel construction with natural finish for added strength, wear resistance, and dependable valve tip protection under repeated high-load, high-rpm valvetrain operation
• Protects valve ends from excessive wear while providing a 0.060 in. margin of protection, helping extend valve service life in racing, off-road, and other severe-duty performance applications
• Helps correct rocker geometry and increase rocker-to-retainer clearance, supporting more stable valvetrain motion and improved compatibility in performance-oriented cylinder head combinations
• Recommended for costly stainless steel or titanium valves, with single-piece quantity that supports exact replacement needs and flexible purchasing for custom engine assembly or service work