Included in this kit is a hub, alum degree ring with 360 degree's of marks six grade 8 bolts and washers. This hub is for all internal balance Hemi engines including 426, 440, KB, BAE, TFX and many more.
Hub measures from pulley mounting surface to crank gear 1.200". One special feature of this hub is it has a bearing bronze washer on the surface that mates up against the crank gear allowing the two surfaces not to gall together.