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Adj Screws & Nuts

Those who’ve experienced the tedious procedure of setting the valve lash using adjustable pushrods on the Chrysler “A” block wedge engines can appreciate the convenience and reliability of the Isky adjustable rocker arm. Positive racing jam-nut type adjusting screw, perfect geometry, high-strength design and ductile iron quality assure you of the finest possible performance from these 1:5:1 ratio rockers.

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