This NOS Allied Precision PB 47 Pins .005 8Ct is a great addition to your motorcycle or scooter. The piston diameter can be viewed in the photos provided. This high-quality piston is perfect for those looking to upgrade their engine or replace a worn-out part. The brand is NOS and the type is a piston, making it a great fit for any motorcycle or scooter. Don't miss out on this opportunity to improve your ride. ShipN24Hours. Inventory Location MW1103