3/8in 10Deg Super Locks Chrysler 4 Groove

The COMP Cams 3/8in 10 Degree Super Locks Chrysler 4 Groove (SKU COM626-16) is a precision valve locking system engineered for Mopar engines requiring reliable rocker arm retention. These super locks are a direct-fit solution for Chrysler cylinder heads with 4-groove valve stems, delivering the mechanical security critical to high-RPM engine operation where valve float and stem slippage present real risks to engine longevity and performance.

The 10-degree lock geometry is purpose-built to work with Chrysler's valve stem design, providing a secure positive lock that prevents unwanted rocker arm movement during aggressive engine cycling. Manufactured from hardened steel with black oxide coating, these locks resist corrosion and wear while maintaining dimensional consistency across the full set of 16. Standard height sizing ensures compatibility with factory and OEM-specification valve train setups. Each lock is individually precision-formed to maintain tight tolerances, critical for preventing stem damage and ensuring repeatable fit.

This set is essential for engine builders, restoration specialists, and performance enthusiasts rebuilding Mopar cylinder heads or upgrading rocker arm systems. Whether restoring a classic Dodge, Plymouth, or Chrysler engine to original specification or assembling a performance build, the correct valve lock geometry is non-negotiable for valve train stability. The 3/8-inch stem diameter specification matches Mopar's standard valve sizing across generations of small-block and big-block engines.

COMP Cams' Super Locks line represents purpose-engineered valve train components trusted by engine builders who cannot afford valve float or stem slip. This 16-piece set supplies a complete cylinder head, making it a foundational component for any serious Mopar engine assembly or rebuild project.