Wiseco Tracker Piston Kit 9.5:1 +.020 - Harley EVO Sportster 883-1200 Conversion
About Wiseco
Wiseco has forged pistons in Mentor, Ohio since 1941, supplying everything from factory race teams to big-bore street builds. Forged construction is what lets a V-twin survive higher compression and more cylinder pressure than the stock cast piston was designed for.
This Wiseco Tracker Piston Kit is specifically designed for Harley-Davidson Sportster 883-to-1200 Evolution conversions. Featuring a forged piston crown and ArmorGlide skirt coating, this kit provides the durability and reduced friction needed for a reliable big-bore upgrade. It's engineered to deliver a 9.5:1 compression ratio, making it a solid choice for enhancing your Sportster's power.
Why riders pick this
- Forged construction for extreme strength
- 9.5:1 compression ratio for power gains
- ArmorGlide skirt coating reduces friction
- Designed for 883-to-1200 Sportster conversions
- Includes precision-fit rings and pin hardware
Unleash the full potential of your Harley-Davidson Evolution Sportster with the Wiseco Tracker Piston Kit. This kit is purpose-built for 883-to-1200cc conversions, providing the robust components needed for a significant power upgrade. The forged construction ensures these pistons can handle the increased demands of a larger displacement, while the 9.5:1 compression ratio offers a noticeable performance bump without requiring extensive engine modifications.
Built for Big-Bore Performance
- Forged piston crown with large valve pockets for enhanced head compatibility
- Precision-fit rings for ultimate sealing and efficient power transfer
- Force-fed pin oiling provides critical lubrication to the piston pin
- ArmorGlide skirt coating reduces friction and improves scuff resistance
Your Sportster's Next Upgrade
This +.020 oversized piston kit is essential for Sportster engines undergoing an 883-to-1200 conversion, requiring the cylinders to be bored to the new dimensions. The 9.5:1 compression ratio is a moderate upgrade that works well with stock heads and most bolt-on performance parts, often without needing high-octane fuel. Always ensure your cylinders are bored and honed to the precise specifications for these pistons to achieve optimal performance and longevity.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K0212P2
- Compression Ratio: 9.5:1
- Oversized: +.020
- Application: 883 to 1200 EVO Sportster
- Weight: 2.75 lbs
- Country of Origin: United States of America
Common questions
What compression ratio will this piston kit provide?
This Wiseco Tracker Piston Kit is designed to achieve a 9.5:1 compression ratio when installed in an 883-to-1200 Evolution Sportster conversion.
Is this a +.020 oversize piston?
Yes, this is a +.020 oversized piston kit, which requires boring your cylinders to the correct dimension during the 883-to-1200 conversion process.
Are gaskets included with this kit?
No, gaskets and seals are sold separately. This kit includes the piston, rings, and pin hardware. You will need to purchase a gasket kit for your specific Sportster model.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Wiseco |
| TYPE | Piston kits & Components |
| SKU | K0212P2 |
| WEIGHT | 2.75 lb |
| 9.5 | 1 Compression |
