Wiseco Acura K20 K24 FLAT TOP 1.181X86.5MM Piston Shelf Stock Kit K631M865

The Wiseco 9.8:1 pistons are designed for a K20 cylinder head and 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.