There's much more to Wiseco's Black Edition pistons than just good looks.  There's beauty in performance, and Black Edition's proprietary coatings and treatment provide durability and functionality advantages as good as they look.  First introduced for Harley-Davidson V-twin applications and expanding soon into UTB applications, Wiseco Black Edition are the most fully-featured and purpose-built pistons in the game.

Wiseco's ArmorX Coating

  • Applied to piston crown, ring grooves, and pin bore through proprietary electrochemical process and materials
  • Greatly increased resistance to wear and damage caused by heat and detonation plus resists ring microwelding
  • Ideal for high-performance environments - from natural aspiration to power adders
  • Remains durable in high load, high cylinder pressure, high heat environments

Wiseco's ArmorFit Skirt Coating

  • Engineered, tested, and developed through Wiseco's in-house R&D team and dyno
  • Moly-based, dry film formula mixed in-house and applied thicker than standard coatings to reduce operating friction and maintain cylinder wall clearence
  • Allows forged piston to be installed at tighter clearance, conforming to the cylinder bore through normal operation for ideal performance with less guesswork

Black Edition Piston Kits

  • Available for Milwaukee-8, Twin Cam, and Rushmore H-D engines
  • Coming soon for various late model UTV engines
  • Various compression ratios and bore sizes available off the shelf to fit specific builds
  • Kits include ring packs, wrist pins, and circlips
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