47cc 49cc 2 Stroke Motorcycle 40mm Piston Pin Ring Set Assembly For Mini Dirt Bike Quad Engine Spare Parts Features: OOTDTY Fits older models of 47cc 49cc engines with 40mm The includes a piston, two piston rings, a shaft pin (10mm), two rings and a top end bearing. It includes little end bearings. Perfect replacement for your old or broken quad piston. The fine surface produces a glossy appearance with a mirror polished effect. Piston ring is strictly in accordance with product production standards, professional manufacturing, fine workmanship, reliable quality, stable performance, and worthy of your trust. Piston ring pin is made of high-quality metal material, strong and durable, not easy to wear. It has the characteristics of high strength and high hardness, is not easy to break, rust-proof, corrosion-resistant, aging-resistant, and has a long service life. Specifications: Material:Metal Piston Diameter:Approx. 40mm/1.57inch Package Includes: 1x Piston 2x Piston Rings 2x Circlip 1x 10mm Gudgeon Pin 1x Top Bearing Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Installation instructions are not included in the package. Professional installation is strongly recommended. Thanks for your understandings. _x000D_ _x000D_ _x000D_