Description
WISECO High Compression Piston Kit .020 for 1978-1984 Big Twin K1625
Enhance your motorcycle’s performance with the WISECO High Compression Piston Kit, expertly crafted from high-silicon aluminum alloy for unmatched durability. This comprehensive kit includes everything you need for a successful top-end rebuild, ensuring your engine runs smoother and more efficiently.
- High-silicon aluminum construction for superior strength
- Includes forged pistons, rings, wrist pins, circlips, and top end gasket
- Designed for easy overboring or top-end rebuilds
- Engineered for high compression performance
- Cylinder sleeves sold separately for customized upgrades
- Precision fit for 1978-1984 Big Twin models
| COMPRESSION RATIO IMPERIAL: | 9.5:1 |
| RIDING STYLE: | STREET |
| BORE OVERSIZE – IMPERIAL: | +0.020′ |
| PISTON MATERIAL: | FORGED |
| BORE – OVERSIZE: | +0,020′ |
| DISPLACEMENT: | 1353 CC |
| PRODUCT NAME: | REBUILD KIT |
| STROKE LENGTH IMPERIAL: | 4-1/4′ |
| TYPE: | TOP END |
| BORE SIZE IMPERIAL: | 3.517′ |
| PISTON MATERIAL: | ALUMINUM ALLOY |
| UNITS: | EACH |





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