PAC Racing Springs PAC-L8073-16 5/16-Inch Valve Locks, 8-Degree Square Groove, Standard Height, Set of 16

PAC Racing Springs PAC-L8073-16 valve locks provide a secure, reliable connection between compatible valve springs, retainers, and 5/16-inch valve stems. Designed with an 8-degree square-groove profile and standard-height configuration, these locks are suited for performance engine applications requiring precise valve-train fitment and dependable retention under demanding operating conditions.
Manufactured from steel and finished with a black oxide coating, each valve lock is built for strength, wear resistance, and corrosion protection. The precision-machined design supports consistent engagement with the valve stem groove, helping maintain proper component alignment and reliable operation throughout the engine’s operating range. Always verify compatibility with the valve stem, retainer, spring package, and installed height before installation.
This PAC Racing Springs set includes 16 valve locks, making it suitable for assembling or servicing a complete multi-cylinder valve train when matched components are used. The PAC-L8073-16 is a practical choice for engine builders, race teams, and performance enthusiasts seeking trusted valve-train components from PAC Racing Springs. Professional installation and manufacturer-recommended assembly procedures are advised for best results.

Features:

• Brand: PAC Racing Springs

• Part Number: PAC-L8073-16

• Application: Valve lock for compatible 5/16-inch valve stems

• Groove Angle: 8-degree square groove

• Height: Standard height

• Material: Steel

• Finish: Black oxide

• Quantity: Set of 16