Malossi racing valve set for original head on water-cooled 4-stroke Piaggio engines. Inlet and outlets ports in anti -magnetic stainless steel with improved flow design for max power through the whole rev range. Note: Assembly requires valve seats to be worked and should be carried out by a workshop.

After adaptation of the valve seats suitable for original cylinder head old version (rocker arm with glide shoe) AND new version with roller rocker arm.