ATI drive pulley in aluminum is a 4-groove pulley sized for Honda D engines with a 5.73 dimension, intended as an accessory or crank drive pulley. It provides the correct groove count and diameter to match belt routing on compatible Honda D-series applications and serves as a direct replacement or upgrade for vehicles using that pulley specification.
ATI Pulley - Drive - 4 Grv - Alum - Honda D 5.73