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We have personally used wiseco pistons in a large number of our customer engine builds. Never have we encountered any issues in the performance realm, from install, to tuning, to real-world applications Wiseco has always delivered optimum performance and longevity.


**Some of the part #'s above are candidates for wiseco's proprietary "Armor Plating" which is a dry film, permanent lubricant that bonds to the piston. This is done to reduce friction, extend the wear of the piston & the bore, and actually helps the piston run quieter. The armor plating is also applied to the dome of the piston and the ring grooves. To prevent microwelding & provide detonation protection, essentially creating a "bullet-proof" piston. This would cost an additional $80 for the armor plating spec piston set.


If you need a specific bore size & compression ratio with the "AP" add on feel free to call/email us.


Wiseco leads the performance aftermarket by producing the highest quality forged pistons for domestic automobiles, sport compact and racing applications right here in the USA. Wiseco is unique because we forge all of our own pistons in house, and produce all of our own forge tooling right here in the USA. This allows us to control all aspects of our manufacturing process from raw bar to skirt coating finished parts


Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets. The Wiseco crew shares the same level of dedication to motorsports as their customers and are focused on continually refining the quality and practices it takes to exceed expectations. Engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco?s Mentor, Ohio manufacturing facility, Wiseco pistons are the undisputed leader in quality and performance. Wiseco Performance Products, built for racers, by racers.

Wiseco Forged pistons for K24 & K24 w/ k20A/Z head

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