Richporter Technology TK01 camshaft synchronizer alignment tool kit with five color-coded alignment tools and the printed application chart. Covers numerous Richporter/Spectra synchronizer applications for select Ford, Mazda, Mercury, and Jeep engines; chart references OE tool numbers including 303-589, 303-630/303-638, 303-562, and 303-529. Verify the printed chart and your synchronizer part number before purchase. Kit appears unused; box is heavily worn/stained.