The ACL bearing should be first rate quality as they are exported all over
the world and sold for OEM fitment here. If you give me the number off it,
i can double check the spec for you and make sure its the top quality
material
However, I use King bearings in all our race Triumphs as they have the hard
steel backings like the Clevite race series. The "normal" ACL bearings only
use a soft backing. ACL advise not to use their plain bearing for race use,
and they dont make a race spec one for Triumphs.
IMHO, if you think the extra 1mm width will solve a problem, you had best
look elsewhere, probably at oil pump pressure and flow
Terry O'Beirne
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