Wiseco Tracker Domed 10:1 +.020 Piston Kit - Harley Evolution Big Twin
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.
Maximize the power potential of your Evolution Big Twin with the Wiseco Tracker Domed Piston Kit. Engineered for high performance, this kit delivers a robust 10:1 compression ratio for a noticeable boost in power and torque. Each piston is forged for ultimate strength and features advanced coatings to ensure durability under aggressive riding conditions.
Why riders pick this
- Forged domed piston for Evolution Big Twin
- 10:1 compression ratio for maximum power
- +.020 overbore for cylinder refresh
- ArmorGlide skirt coating reduces friction
- Force-fed pin oiling for enhanced durability
- Includes precision rings for optimal sealing
This Wiseco Tracker Domed Piston Kit is specifically designed for Evolution Big Twin 1340cc engines, featuring a powerful 10:1 compression ratio and a +.020 oversized bore. This combination is perfect for riders looking to significantly increase their engine's output, whether for spirited street riding or more demanding applications. The domed piston crown is precisely shaped to achieve the higher compression, while generous valve pockets ensure compatibility with performance camshafts. Forged construction provides the necessary strength to handle the increased power and heat.
Peak Performance Design
- Forged domed piston crown for high 10:1 compression
- Oversized valve pockets for accommodating larger valves
- Precision-fit compression rings ensure maximum cylinder sealing
- Force-fed piston pin oiling for enhanced lubrication
- ArmorGlide skirt coating reduces friction and scuff resistance
Unlock Your EVO's Full Potential
The +.020 overbore not only allows for a thorough cleanup of your cylinders but also sets the stage for a substantial performance upgrade. To fully capitalize on the 10:1 compression ratio, consider pairing these pistons with a performance camshaft, a free-flowing exhaust, and a professional dyno tune. This will ensure your Evolution Big Twin runs optimally, delivering exhilarating power and torque across the RPM range.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K0216P2
- Bore Size: +.020 oversized
- Compression Ratio: 10:1
- Engine Type: EVO Big Twin 1340cc
- Length: 9.5 in
- Width: 4.87 in
- Height: 4 in
- Weight: 2.75 lbs
- Country of Origin: United States of America
Common questions
What engine does this piston kit fit?
This Wiseco Tracker piston kit is designed for Evolution Big Twin 1340cc engines. Confirm your current bore size and ensure your engine can handle 10:1 compression before ordering.
What compression ratio does this piston deliver?
These pistons are engineered for a 10:1 compression ratio. This higher compression will require careful consideration of fuel octane and potentially a custom tune.
Do I need to buy gaskets separately?
Yes, gasket kits are sold separately. You will need to purchase a complete top-end gasket set specific to your Evolution Big Twin to complete the installation.
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 | K0216P2 |
| WEIGHT | 2.75 lb |
| 10 | 1 |
