NCY Ring Set (50mm); Dio/DD50 Big Bore Kit Intakes / Manifolds Unleash Your 2-Stroke: Prima Performance

Unleash Your 2-Stroke: Prima Performance Expansion Chamber Exhaust

Manufactured in Taiwan

NOTE: You must install a buddy rear rack in order to use these guards

tighten the nut

Cylinder Bore Diameter: 63mm

NCY Ring Set (50mm); Dio/DD50 Big Bore Kit Intakes / Manifolds Unleash Your 2-Stroke: Prima PerformanceThe NCY 50mm Piston Ring Set is a direct fit replacement for the Honda Dio and Sym DD50 running a 50mm big bore cylinder kit, providing the correct ring dimensions and tension to maintain proper compression and oil control in an overbored engine. This NCY ring set is matched to the 50mm bore specification to ensure a proper seal against the cylinder wall from the first start. Designed for Honda Dio and Sym DD50 with 50mm big bore cylinder kits