COMP Cams 10 Super Locks w/o Lash Cap Recess - Hardened Steel - Single Groove - 11/32" Valve Stem 4240BU FIA 8860-2018 Approved

FIA 8860-2018 Approved

1970-1981 Mercury Marquis

Two-piece Adjustable Belt

Shoulder flex panels allow for fully-floating 360 degree shoulder rotation

COMP Cams 10 Super Locks w/o Lash Cap Recess - Hardened Steel - Single Groove - 11/32" Valve Stem 4240BU FIA 8860-2018 ApprovedThese Steel Super Locks without a lash cap recess features a 10? lock angle and 11 32" valve stem size, and are recommended for all race applications. Super Locks have a wider angle (10?) that better distributes the ever increasing valve spring loads over the retainer than typical 7? locks. Precision machined out of super tough, fatigue resistant metal alloy, Super Locks fit any COMP Cams 10? retainer. Precision machined rather than stamped for the