Part# HB1008-N ; Powerbond OEM direct replacement engine balancer for the Ford Windsor engines. 289, 302 ci 8 cylinder V8 motors
This part number is for the 3 bolt pulley and countersunk style lower pulley location OEM balancers, typically the earlier 289 and 302 engines from 1965 to about 1969 here in Australia. So from XR to XW Ford Falacons and 60's Mustangs.
IMPORTANT: match up these measurements becasue there are more than 6 styles of balancers for the Windsor engines. Diameter = 6.33 inch, Overall depth = 3.0 inch, & Balance ring width = 0.77 inch