Description
WISECO Piston Kit Standard Evolution Big Twin K1640
Engineered for performance and reliability, the WISECO Piston Kit is crafted from a high-silicon aluminum alloy, ensuring long-lasting durability for your motorcycle. This comprehensive kit includes everything you need for overboring or rebuilding your top end, providing a seamless upgrade to your ride.
- High-silicon aluminum alloy construction for enhanced strength
- Complete kit with forged pistons, rings, wrist pins, and circlips
- Includes top end gasket for a hassle-free installation
- Designed specifically for Evolution Big Twin engines
- Optimized for improved performance and efficiency
- Cylinder sleeves sold separately for customization options
| PISTON MATERIAL: | ALUMINUM |
| STROKE LENGTH IMPERIAL: | 4-1/4′ |
| BORE SIZE IMPERIAL: | 3.498′ |
| BORE OVERSIZE – IMPERIAL: | STANDARD |
| COMPRESSION RATIO IMPERIAL: | 8.5:1 |
| DISPLACEMENT: | 1340 CC |
| PRODUCT NAME: | REBUILD KIT |
| RIDING STYLE: | STREET |
| TYPE: | TOP END |
| UNITS: | EACH |
| BORE – OVERSIZE: | STANDARD |
| PISTON MATERIAL: | FORGED |





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