Wiseco K20/24 87mm Bore Pistons deliver 12.5:1 compression for versatile street and light boost performance. This four-piston assembly includes wrist pins, retaining locks, and complete ring sets for immediate installation. Precision-forged from in-house stock, these pistons combine reduced weight with superior tensile strength. Features include strategically designed valve pockets, complex crown geometry, and steel nitride/Napier XX rings engineered for extended durability. The refined skirt profile reduces friction and side loading while maintaining structural integrity—ideal for builders seeking reliable power across diverse driving conditions and engine configurations.
