Motion Pro Tappet Adjuster Tool Set - 08-0721

Integrated repositionable wrench handle holds the lock nut while the drivers are used to loosen or tighten the valve adjustment screw. 8 mm, 9 mm, and 10 mm lock nut sockets; and 3 mm square, 4 mm square, and straight slot type drivers included. Allows precise valve lash adjustment without disturbing the setting when the lock nut is fastened. Fits most motorcycles and ATVs with screw-type tappet adjustments. Knurled knob on adjuster drivers ensure a precise and secure grip.