Wiseco K20/24 87.5mm Bore Pistons with 12.5:1 compression ratio provide a balanced platform for street and moderate boost applications. Each complete kit contains four pistons, wrist pins, locks, and rings ready for assembly. Manufactured from proprietary forgings, these pistons deliver lightweight performance without compromising durability. Engineered with advanced valve pocket geometry, sophisticated crown designs, and steel nitride/Napier XX ring technology for extended service life. The optimized skirt design minimizes side loading and friction while maintaining structural rigidity—perfect for builders seeking reliable power delivery across a wide RPM range.
