Koyo, needle bearing camshaft. 'Full needle' - 58-99 B.T. (excl. Twin Cam) (NU) 3123 Radial SweepersPerformance stepped headers with

Radial SweepersPerformance stepped headers with radial rear section

5/16-18 X 1 1/2" ALLEN HEADS

Produce sound levels comparable to those of a semi's horn (approximately 107 dB)

Lets you lower the front end of your bike up to two inches

3 mm) from 0

Koyo, needle bearing camshaft. 'Full needle' - 58-99 B.T. (excl. Twin Cam) (NU) 3123 Radial SweepersPerformance stepped headers withKoyo=former 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.