Features Versatile Compatibility for Engines signed to fit 406CC 186F, 186FE, and 418CC 186FA, ensuring a seamless installation in your diesel generator and mini-tiller applications Optimized Installation for Performance atures staggered ring ports for enhanced engine efficiency, promoting better ing and longevity in your diesel generator piston assembly Features: 1、Piston ring set is suitable for all 406CC 186F and 186FE made in China, and 418CC 186FA and 186FAE diesel engines 2、The ring ports of the three piston rings cannot be on the same direction (it is better to stagger 120 in order), and the ring ports of the piston ring need to stagger the piston pin holes 3、, come with anti-, high temperature resistance 4、Piston parts of air‑cooled diesel generator, also can be used for mini‑tiller 5、Good‑quality alloy material, with high hardness, good heat resistance and resistance Specification: Item Type: Piston Ring Combination Material: Alloy Purpose: Air-cooled diesel generator piston accessories Suitable Models: 406CC 186F and 186FE, and 418CC 186FA and 186FAE only have engines Piston Inner Diameter: Approx. 86mm / 3.4in Thickness: Approx. 2mm / 0.1in 4mm / 0.2in 2mm / 0.1in Package List: 3 x Piston Ring Combination Package List 3 x Piston Ring Combination