Reduce friction and protect against block wear

JEGS Billet Timing Chain Sets are available with Torrington roller thrust bearings or bronze thrust washers. These billet steel timing chain sets feature 9-keyway crank gears for precise adjustability and heat-treated, seamless roller chains with a 0.250" diameter roller. The cam and crank sprockets are machined from 1144 billet steel. Crank sprockets are coated in black oxide with laser-etched timing marks.