Wiseco Forged Pistons B18A/B with B18C1 Head 81.5mm +0.5mm -2.4 cc 10.1:1 89mm Stroke

Wiseco pistons go through more finishing processes than any other piston on the market, without driving the cost up. They come with more features standard than any other piston on the market, at a more affordable price than many of the competitors. The top face of the piston is textured to improve the combustion characteristics, and all kits come with rings, pins and locks.




Our Sport Compact pistons are made from dedicated forgings produced in-house to give you a light weight piston with superior strength and optimal design. Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/napier xx rings and optimized skirt profiles.