Lil Red Barn Jonsered 670 Piston Kit – 50mm

The **Lil Red Barn Jonsered 670 Piston Kit (50mm)** is a high-performance replacement set designed for **Jonsered 670, 670 Champ, and 670 Super** models. This kit includes a **precision-machined piston, compression rings, piston pin, and retaining clips**, ensuring optimal sealing and durability for your engine. Built with **AC4B aluminum alloy**, the cylinders undergo a **13-step preparation process** before plating, guaranteeing superior wear resistance and longevity.

Whether you're restoring a classic outboard or maintaining peak performance, this kit replaces **part #501659403** and delivers the reliability expected from Jonsered’s reputation for quality. Compatible with the **670-series engines**, it’s the ideal choice for marine applications where durability and efficiency matter most.