Wiseco Tracker Domed 10:1 +.010 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.
Elevate the performance of your Evolution Big Twin with the Wiseco Tracker Domed Piston Kit. This kit is designed for riders seeking a significant power increase through higher compression. Each piston features robust forged construction and advanced coatings for superior durability and reduced friction.
Why riders pick this
- Forged domed piston for Evolution Big Twin
- 10:1 compression ratio for increased power
- +.010 overbore for cylinder refresh
- ArmorGlide skirt coating reduces friction
- Force-fed pin oiling for enhanced durability
- Includes precision rings for optimal sealing
The Wiseco Tracker Domed Piston Kit for Evolution Big Twin 1340cc engines delivers a potent 10:1 compression ratio with a +.010 oversized bore. This higher compression is ideal for unlocking more horsepower and torque, transforming your EVO into a more aggressive machine. The domed crown design is precisely engineered to achieve this compression while accommodating valve travel, and the forged construction ensures it can withstand the increased stresses of a higher-performance engine.
Aggressive Performance Features
- Forged domed piston crown for 10:1 compression
- Generous valve pockets for optimal valve clearance
- Precision-fit rings for maximum sealing and power
- Force-fed pin oiling for enhanced lubrication
- ArmorGlide skirt coating reduces friction and scuffing
Unleash More Power from Your EVO
A 10:1 compression ratio requires careful consideration of fuel octane and potentially a more aggressive ignition timing. This +.010 oversized kit is perfect for cleaning up minor cylinder wear and preparing your engine for a significant performance upgrade. Combine these pistons with a performance cam and a proper dyno tune to fully realize the potential of your Evolution Big Twin.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K0216P1
- Compression Ratio: 10:1
- Bore Size: +.010 oversized
- 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 do these pistons provide?
These pistons are engineered for a 10:1 compression ratio. Higher compression typically requires higher-octane fuel and may necessitate engine tuning.
Is a gasket kit included with this piston kit?
No, 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 | K0216P1 |
| WEIGHT | 2.75 lb |
| 10 | 1 |
