Koyo, camshaft ball bearing. Outer, front/rear - 99-06 Twin Cam (excl. 2006 Dyna) (NU) 501797 needle jet 268

needle jet 268

Width given is the width of the front mount

Excellent for bearings

Kits come with mounting hardware

CRANKCASE TO ROCKERBOX

Koyo, camshaft ball bearing. Outer, front/rear - 99-06 Twin Cam (excl. 2006 Dyna) (NU) 501797 needle jet 268Replaces OEM 8990 A style ball bearing. This bearing will fit will fit all models as front & rear outer cam bearings. The MoCo redesigned the Twin Cam rear outer cam bearing from ball (OEM 8990 A) to a roller bearing style (OEM 8983 MCS 921138) in 2001. This was done to help prevent failing ball bearings on, specifically, rear (=drive side) cams that are heavier loaded. This 01 up roller style bearing is a 3 piece design that is more heavy duty than a