Description
Stock pistons in your Twin Cam 103 are a limiting factor when you’re serious about performance and reliability. Wiseco’s forged construction and ArmorGlide™ coating reduce friction and thermal stress, translating directly to more consistent power delivery and extended engine life. This complete kit gives you everything needed for a professional-grade rebuild without sourcing components separately.
- Forged piston construction
- ArmorGlide™ skirt coating
- ArmorPlating for ring seal
- 3.875 in. bore diameter
- 9:1 compression ratio
- Harley Twin Cam 103 fitment
- 2010–2017 model years
- Includes rings and clips
- Chrome piston pins included
- USA manufactured
- Requires Wiseco VM or XC rings
- Replacement rings available separately









