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.657 front dif. out of a powerwagon,takes 30 spline axles and will accept a sure grip or spool.never ran it .sold car but turns smoothly.had to put a yoke in it,the bolt holes were stripped,uses solid sleeve and shims for pinion bearing preload like the 742 case,bearings and gears look good.asking 300.00shipped from 16354 or best offer,add 150.00for new spool and timken carrier bearings i will guarantee it runs quiet.657 case.i did nt realize the ring gear had some slight surface rust on it,my garage sweats something terrible,it cleaned right up and i lubricated the gears.
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