The COMP Cams billet keyway timing set for .005" undersized 1965–1988 Ford Small Block (289, 302, 351W) features precision steel billet gears and a prestretched, heat-treated double roller chain for robust service. Its 9-keyway crank sprocket delivers 2° incremental adjustments with an 8° maximum range, supplying precise timing control for restored or modified small-block Ford engines.
COMP Cams Billet Timing Set-.005 FS 9- Keyway Adjustable