Check the listing for details. Piston Ring Set for RUGGERINI MD75, MD150, MD151, MD156, MD159, RY85 (80.5mm). Condition: New. Listed at 26.97 USD. This listing is about a brand new after-market Piston Ring Set for RUGGERINI MD75, MD75.1, MD150, MD151, MD156, MD159, RY85, RY85.1 engines, that fits one (1) piston and replaces OEM Part #00A21R0910. The diameter of the rings is 80.5mm (Oversize). When comparing this high-performance Piston Ring Set with similar items offered by other sellers, please note: The Compression Ring of the 1st groove is Chrome. The Compression Ring of the 2nd groove is Scraper. The Oil Ring has Coil Spring (3rd groove). Our Piston Rings are branded and come directly from the top-quality and worldwide-known OEM Manufacturer CABER. Our Piston Rings are made from I-Cast Iron with high bending strength according to ISO STD 6621-3:1990 and DIN 70909. Protect your valuable machine. Use only Branded & High-Quality Parts. Enjoy thousands hours of safe and trouble-free operation! USEFUL INFORMATION Fast Shipping applies to all our items. See customer comments in our Feedback pages. All shipments are Registered and Insured. Upon shipping notification, you will also be given the tracking number of the shipment. Large Orders: If you require more pieces of this item than the listed quantity, please do not hesitate to contact us. We always maintain larger quantities of our items than listed in our e-Store, because we also offer these items through our physical Store. Customer Support: Should you have any questions, please do not hesitate to contact us. If received within local business hours, we respond to the majority of customer inquiries within a few minutes. Alternative Payment Methods: Local customers can pick up their items from our premises. Please note that for "Shipping and Handling Costs", you don't pay just for the Postal Services charges, but also the packaging and care required to deliver your item in a safe and secure manner, as quickly as possible. In addition, all our shipments are INSURED. In this way, you can be sure that in case your item is lost or damaged, you will be absolutely reimbursed.