Piston Kit EVOLUTION SERIES 4 DISC LOCK BLACKKRYPTONITE K&N intakes are designed to

K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow

1997 - ZX1100 Ninja ZX-11

2013 Harley Davidson FXDB Dyna Street Bob

Made to resist cold

Piston Kit EVOLUTION SERIES 4 DISC LOCK BLACKKRYPTONITE K&N intakes are designed toIncludes: 1 piston, 1 ring set, 1 wrist pin and 2 circlips Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls All pistons, rings, pins and circlips are manufactured to OEM specifications All individual components are interchangeable with original parts Piston weight compatible with original piston T Moly Series offers a number of performance benefits. See below