Wiseco K20/24 87.5mm Bore Pistons (14.2:1)

The Wiseco 14.2:1 pistons are designed for a K20 cylinder head with K24 engine block.

Includes 4 pistons, 4 wrist pins, 4 wrist pin locks, and 4 rings.

Wiseco 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.

Wiseco K20/24 87.5mm Bore Pistons deliver 14.2:1 compression for high-performance K-series builds. This complete four-piston kit includes wrist pins, locks, and rings—everything needed for installation. Forged in-house from dedicated stock, these pistons combine lightweight construction with exceptional strength. Advanced features include precision valve pockets, optimized dome geometry, and steel nitride/Napier XX rings for durability. The engineered skirt profile reduces friction while maintaining structural integrity, making them ideal for forced induction and naturally aspirated applications demanding reliability and power.