NAMURA PISTON RING (NA-40025-4R) YAMAHA YFM400FG GRIZZLY IRS 4X4 high quality materials

high quality materials

Float Bowl Shape: Rectangular

Grd-5 & Grd-8 Hardware

New Upgraded Seals

Snowmobiles

NAMURA PISTON RING (NA-40025-4R) YAMAHA YFM400FG GRIZZLY IRS 4X4 high quality materialsNAMURA PISTON RING Often overlooked and unglamorous, they are an essential part of piston performance, engine efficiency, and durability. The materials used in the manufacturing of piston rings are one of the most critical factors in their performance. Namuras rings are designed specifically for their application. The type of cylinder sleeve, sleeve coating, size of the engine, and the stroke (2 or 4) all play a role in determining the composition