Lower 160mm supercharger pulley to suit Ford crossflow engines with power steering. The pulley must also be used with adapter Aussiespeed Part Number AS0498
AS0498 suits 3 bolt Ford Crossflow harmonic balancers
The balancer is machined with a step to centralise the crank hub.
With the supercharger hub and pulley fitted the factory ribbed belt is retained and the supercharger has its own belt. Aussiespeed. Due to the ratio required pulleys are purchased individually.