The Supertech piston set for K24 engines used with a K20 head is supplied as four forged pistons sized to an 87.5mm bore and a −0.5cc dish producing an 11.5:1 compression ratio; rings are excluded. These pistons are intended for K24 with K20 head conversions or rebuilds that require the specified bore and chamber volume to achieve that compression figure.
Supertech Honda K24 w/K20 Head 87.5mm Bore -0.5cc Dish 11.5:1 CR Pistons - Set of 4 (Excl Rings)