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The WISECO V-Twin Piston Kit K1683 is manufactured from high-silicon, low-expansion aluminum for a combination of strength, reduced weight, improved heat transfer, and long service life. Its diamond-turned finish is produced using CNC-controlled turning centers to provide a consistent, precise surface finish.
WISECO pistons are designed for installation in cylinder bores made from cast iron, chrome, Nikasil, and boron composite materials. The WISECO range of oversize pistons can help extend the service life of cast iron-lined cylinders, while replacement cylinder sleeves allow chrome, Nikasil, and boron composite cylinders to be resleeved for WISECO oversize pistons.
Produced in WISECO’s computerized manufacturing facility, the K1683 piston kit is intended to serve both high-performance racing and recreational applications. The WISECO name reflects a focus on forged piston manufacturing and consistent production quality.
Features:
- Forged aluminum construction: Made from high-silicon, low-expansion aluminum for strength, reduced weight, improved heat transfer, and extended service life.
- Diamond-turned finish: CNC-controlled machining provides a consistent finish with no size variation.
- Cylinder bore compatibility: Can be installed in cast iron, chrome, Nikasil, and boron composite cylinder bores.
- Oversize piston range: WISECO oversize pistons can increase the service life of cast iron-lined cylinders.
- Resleeving support: Chrome, Nikasil, and boron composite cylinders can be resleeved to accept WISECO oversize pistons.
- Manufactured by WISECO: Produced in a computerized manufacturing facility for high-performance racing and recreational use.

