Standard Rocker Arm Shaft - V-Twin 11-0540 - OEM 17435-39

OEM #: 17435-39, 17438-39, 17441-39

Sifton Knucklehead rocker arm shaft set.

Front intake measures 4-1/8 inch and has an actual ground surface of 4.115. Rear intake measures 3-5/8 inch and has an actual ground surface of 3.6. Rear exhaust measures 4-5/8 inch and has an actual ground surface of 4.6345. Front exhaust measures 5-1/4 inch and has an actual ground surface of 5.119.

Notes:

• Shovelhead rocker arm shims may be used on the left side of the Knucklehead rocker arms to adjust end play. Available as (.005) (.007) (.015).

Fitment:

Installation instructions (PDF)