Valve Lapping and Grinding - .
03.12.2001 · If you can find someone skilled enough to use a valve seat "grinder" that hasn't already purchased a angle seat "CUTTER" I would be suprised. A Serdi valve seat cutter can cut a beautiful hi perf 5 angle seat in short order. The valve seat and angles in and out are the single most important part of a high performance four stroke engine. I ...
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