Engine Pulley / Snapper 7021764YPPack Size:1Snapper 2-1764, Snapper 7021764, Snapper 7021764YPMow More SNP8093, NHC 276-9232, Rotary 8193, Sunbelt SN-8193, Sunbelt B1SN8193Snapper 7/8" crank on Subaru/Robin and Briggs & Stratton enginesID: 7/8 ", Keyway: 5/32 ", OD: 2 1/8 ", Machined steel, Made by an OEM supplier