Monster Motor | A Look Inside Harley's 120R Engine Photo Gallery
A Look Inside Harleys 120R Engine Se Vs Oe Cam Bearing
10 The right side of the case gets SE High Performance Inner Cam bearings. The SE bearings have more rollers than stock and help provide increased load capacity and longer engine life when using high-lift cams like the 266Es. On the left is the SE cam bearing and on the right is an OE cam bearing.