COMP Cams 7 Valve Locks GM LS1 R03P015XL Large 55mm body diameters and

Large 55mm body diameters and twin tube design allow for larger oil volume and better heat dissipation leading to increased shock life

GM Metric Caliper

Rubber Lining

Arbor / Pilot

COMP Cams 7 Valve Locks GM LS1 R03P015XL Large 55mm body diameters andThese single groove Machined Steel Street Locks with 7? lock angle and 8mm valve stem size are perfect locks for GM Gen III LS1 LS2 LS6 applications. It is critically important to make sure valve locks match the valve size. There should always be a small gap between the two halves of the lock when they are properly positioned on the valve stem. If the two halves fit together without a gap, they are too large. If the locks fit tight to the stem and