KB Performance Hypereutectic Cast Pistons STD KB411 For use with OEM or

For use with OEM or Pro X crankshafts

waterproof and breathable technology

Machined brass thrust washer for extra durability

-16 x 3 1/2in

Tread pattern works well in a wide variety of soil conditions

KB Performance Hypereutectic Cast Pistons STD KB411 For use with OEM orManufacturer: KB Performance MPN: KB411. STD Title: Hypereutectic Cast Pistons Size: STD Option: Color: KB411 KB Hypereutectic alloy pistons are cast with a 16% high silicon content that has very high thermal barrier properties along with a low thermal expansion rate, allowing tight piston to cylinder wall clearances. This makes them ideal for air cooled engines, offering optimal ring seal, quieter engine running and reduced wear. Hypereutectics are