Koyo, needle bearing camshaft. Full needle 58-99 B.T. (excl. Twin Cam) (NU)

Koyoformer Torrington. When still present it is advised to replace the low cost OEM needle bearing in 92-99 Evolution Big Twin models marked INA SCE 138 USA with a full needle bearing to increase reliability. Especially important when using higher lift cams which increases stress in the camshaft bearing. 58-99 B.T. (excl. Twin Cam) (NU)