1. Applicable model: The ignition magneto stator flywheel coil is applicable for YX 150cc 160cc, for KAYO, for BSE, for SSR, for GPX, for Pitsterpro Dirt Pit Bike. 2. Main function: increase ignition energy intensity, facilitate starting, increase sparking, improve combustion efficiency and overall electrical performance. 3. Powerful: The ignition coil can generate high operating power. Professional design can ensure its powerful magnetic force provides enough energy. 4. Material: Made of metal, high strength, good toughness, anti-extrusion, wear-resistant and anti-aging, and has excellent electrical conductivity. 5. Perfect fit: easy to install and use, can be directly installed in the original position of the spool and replaced complicated tools, giving you much convenience. Specification: Item Type: Ignition Coil Magneto Stator Flywheel Material: Metal Back Plate Diameter: Approx. 114.58mm/4.51in Spool Diameter: Approx. 75.10mm/2.96in Center Hole Diameter: Approx. 27.91mm/1.10in Mounting Holes (Center to Center): Approx. 100.19mm/3.94in Compatibility: Fit for YX 150cc 160cc, for KAYO, for BSE, for SSR, for GPX, for Pitsterpro Dirt Pit Bike Package List: 1 x Ignition Magneto Stator Flywheel Coil