LC Engineering upgraded cam buckets re-locate the valve shim from the top of the bucket to underneath the bucket. When the shims get re-located you will have to change the shim to these under bucket style shims. LC Engineering offers these shims in sizes ranging from 1.45mm thick to 3.30mm thick (in .05mm increments).
*LC Engineering also offers a full line of stock valve shims as well.
*Some older buckets may use a 9.5mm shim in the retainer itself. We also carry a full line in that size as well.
Contact our Tech Support Line for further information at 928-855-6341.
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