OEM New Old Stock Hirth 280 R 650 axle fan piston L rings, part number 102 3374. Two per sale.
ST – 5
SKU – 48
Pic – 1861
These top piston rings are correct for the 650 fan cooled piston and are a true original factory part. Perfect for restoring performance and maintaining proper compression in your vintage Hirth 280 R 650 engine. Hard-to-find NOS condition, ideal for collectors and serious restorers who want authentic quality and reliable engine performance.



