WOSSNER Piston Kit - 97.94 mm for Polaris K8930D500-2

The WOSSNER K8930D500-2 piston kit is designed for high-performance Polaris engines, offering enhanced durability and efficiency. Featuring lightweight construction, this piston ensures a quieter engine operation with tight piston wall clearance for optimal performance. The piston incorporates advanced features such as enhanced piston pin oiling slots, radial boss machining, and annular grooves to improve wrist pin lubrication, reducing wear and extending engine life. The skirt is coated to reduce friction and facilitate better break-in performance, while the ring land treatment enhances ring seal and oil control for improved combustion and reduced emissions. The double-bridged forging design, where noted, provides added strength and stability under demanding conditions. This comprehensive kit includes the piston, rings, wrist pin, and pin locks, making it a complete upgrade solution for your Polaris engine. Built with precision and durability in mind, the WOSSNER piston kit helps maximize engine power and longevity, especially in high-performance or racing applications.

Features:

• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for superior wrist pin lubrication

• Lightweight construction with tight piston wall clearance for quieter engine operation

• Skirt coated to reduce friction and improve break-in performance

• Ring land treatment for better ring seal and oil control

• Double-bridged forging design for increased strength and durability