Ducati Left Closing Rocker Arm 20910027A 748 916 ST4 S4R

About this Ducati Ducati Left Closing Rocker Arm 20910027A 748 916 ST4 S4R

Ducati left-hand closing rocker arm, part number 20910027A, designed for the Desmodromic valve train used on selected Ducati V-twin motorcycles. The closing rocker arm forms part of the valve operating mechanism, controlling the closing movement of the valve as part of Ducati's Desmodromic system.

Part number 20910027A is identified in Ducati parts catalogues as the left-hand closing rocker arm and has been used across a range of Ducati performance and Sport Touring models. Confirmed applications include selected Ducati 748, 916, ST4, ST4 S, ST4 S ABS and Monster S4R models. Ducati catalogues show 20910027A being superseded by part number 20910028A.

This component is suitable for engine rebuilding, valve-train servicing, motorcycle restoration or replacement of a worn or damaged closing rocker arm. As valve-train components are critical to correct engine operation, the existing part number and motorcycle model should be checked carefully before ordering.

Part Number: 20910027A

Description: Left-Hand Closing Rocker Arm

Superseded By: 20910028A

Type: Ducati Desmodromic Valve Train Component

Selected Ducati applications include:

Ducati 748

Ducati 916

Ducati ST4

Ducati ST4 S

Ducati ST4 S ABS

Ducati Monster S4R

Available from On Yer Bike, your specialist supplier of Ducati motorcycle parts and accessories.

Please check your motorcycle's exact model, year and existing part number before purchasing to ensure correct fitment.