Speedmaster PCE269.1010 Valve Locks are precision-machined from chromoly steel for superior strength and durability under high-stress engine operating conditions. Designed with a 10-degree taper and 11/32" stem diameter compatibility, these keepers feature a +0.050" increased install height to accommodate custom valvetrain geometry and spring setups.
These chromoly valve locks are an ideal upgrade for performance and racing engine builds requiring precise valvetrain control and reliable keeper retention. Always verify stem diameter, lock groove specifications, and install height requirements against your specific valvetrain components before installation.
MPNPCE269.1010
UPC840136525868
