im running an o4 nemesis and wanting to update my front spindles to the icon spindles. im running a flathead brigs in the 375lb. class. which left side and which right side should i run? im running at dawgwood speedway, its a clay track semi banked sweeping corners 1/5 mile track. ive seen the conversion kit at prc. website but not for sure what spindles to run. any help would be muchly appreciated.