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@ *WRENCH TAPPET ADJ 4MM AND 3MM 07908-KE90000 1/22M (257B)

WRENCH TAPPET ADJ ONE END 3MM THE OTHER END 4MM.

THE 3MM IS WHAT ALL 50 TO 11O'S HAVE AND ALL HORIZONAL LIFANS

THE 4MM IS WHAT ALL ATC XL XR 185, 200 AND 250'S HAVE

257B