WISECO 0910-1666 4764M08750 Piston Kit Forged Series for 4-Stroke Piston Kit - 87.50 mm - Yamaha Brand_Progressive Suspension You need one adapter for

You need one adapter for each mirror

6-1/2" composite construction midrange for deep and accurate midbass 3/4" titanium dome tweeter for crystal clear high frequencies

028" Spark Gap 0

Custom color kits are keyed to popular vehicle colors

WISECO 0910-1666 4764M08750 Piston Kit Forged Series for 4-Stroke Piston Kit - 87.50 mm - Yamaha Brand_Progressive Suspension You need one adapter forFeatures Forged 4 stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength Dedicated forgings allow for optimized strength to weight ratio Ideal for multiple purpose riding Kit includes piston, wrist pin, rings and circlips Specs Compression Ratio 9. 0: 1 Piston Diameter 87. 41 mm Piston Material Forged 2618 Aluminum Engine Type 4 Stroke Bore Oversize