Contain all the necessary components for overboring or rebuilding your top end
Cylinder sleeves must be purchased separately
Included Items (1) W5520 top end gasket kit
(1) 673M05025 Piston kit
(1) B1000 top end bearing
Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.