Some people seem to interchange 'half shaft' for 'Spicer', Spicer is a purely a brand, if you don't have Spicer brand half shafts (imperial truck size u-joints) then Spicer joints won't fit, unless of course you use that 'wonderful' idea that Hall came up with to sleeve the spicer brand u-joints to fit OEM half shafts.
Larry Stock (PPC Reno) has good quality OEM size replacement u-joints. I rebuilt my OEM half shafts (which by the way are supposedly good for 700 HP) because I discovered (two days before the Monterey run) that I had the Hall 'sleeved' spicer joints, complete with caps rottaing in the joints. If you've got them I recommend you get them outta there before you ruin your half shafts or worse! If I recall Larry's U-joints were about $45 ea.
Julian
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