Wiseco 1200 EVO Sportster 10.5:1 Compression Piston Kit - K1687 - Harley Sportster
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Specifications
| BRAND | Wiseco |
| TYPE | Piston kits & Components |
| SKU | K1687 |
| PART NUMBER | K1687 |
| CATEGORY | Piston Kits & Components |
| COMPRESSION RATIO | 10.5:1 |
| MATERIAL | Forged high-silicon aluminum |
| FINISH | Precision diamond-turned |
| WEIGHT | 2.84 lb |
| 10.5 | 1 Compression |
Fitment
Fits these motorcycles
Listed per manufacturer fitment data. Not sure? Email us and we confirm before you order.
The Wiseco K1687 is a forged piston kit with a 10.5:1 compression ratio, built for riders who want more power and durability from their V-twin engine. It is an upgrade over stock pistons for a 1200 cc engine, giving a noticeable step up in performance.
Each piston is precision-forged from high-silicon, low-expansion aluminum. This material offers a strong balance of strength, reduced weight, and good thermal properties, helping the engine run cooler and hold up under demanding riding conditions. The diamond-turned finish is produced by CNC machining for consistent, zero-variation sizing.
Oversize options are available for re-sleeved cylinders, which makes this kit suitable for routine rebuilds as well as builds aimed at more power. The Wiseco K1687 is a dependable component for riders focused on a stronger, longer-lasting engine.
For off-road / closed-course race use only.
Specifications
- Brand: Wiseco
- Part Number: K1687
- Category: Piston Kits & Components
- Compression Ratio: 10.5:1
- Material: Forged high-silicon aluminum
- Finish: Precision diamond-turned
- Weight: 2.8387 lbs
Common questions
What compression ratio do these pistons have?
The Wiseco K1687 pistons are designed for a 10.5:1 compression ratio, which provides increased power over stock.
What material are the pistons made from?
Each piston is precision-forged from high-silicon aluminum, chosen for its strength, reduced weight, and excellent thermal properties.
Are oversize options available?
Yes, oversize options are available for re-sleeved cylinders.