Proflow Harmonic Balancer Pulley Locating Spigot / Pulley Register , Also Suits Gilmer Drive Kits

Proflow billet pulley locator, solves the problem of mating some Ford Windsor harmonic balancer versus pulley variations
This Billet register is used to fit a non register type Windsor pulley to a rebated balancer. It correctly locates and centralises the pulley
Note: It can also be handy to correctly locate Gilmer crank pulleys