*** IN STOCK SHIPS TODAY *** For the racer that runs an LSM stud mount valve spring compressor that is set up for a 7/16" stud and your engine runs a 3/8" stud fear not freiends...... RBS carries this 7/16" to 3/8" sleeve that simply slides into the tool and reduces the stud hole to 3/8" making the dual dual purpose for either style stud.
Made from billet aluminum and has a step at the top to act as a stop.