Wiseco Tracker Flat Top 8.5:1 +.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.
Unleash the full potential of your Evolution Big Twin with the Wiseco Tracker Flat Top Piston Kit. Engineered for durability and performance, this kit provides a reliable foundation for street and mild performance builds. Each piston is precision-forged to ensure a perfect fit and long-lasting operation.
Why riders pick this
- Forged flat top piston for Evolution Big Twin
- 8.5:1 compression ratio for pump gas compatibility
- +.010 overbore for cylinder refresh
- ArmorGlide skirt coating reduces friction
- Force-fed pin oiling for enhanced lubrication
- Includes precision-fit rings for optimal sealing
This Wiseco Tracker piston kit is specifically designed for Evolution Big Twin 1340cc engines, featuring a flat top design with an 8.5:1 compression ratio and a +.010 overbore. The forged construction ensures superior strength and resilience under demanding conditions, making it ideal for riders looking to refresh their engine with quality components. With generous valve pockets and advanced lubrication features, these pistons are built to perform.
Enhanced Durability and Performance
- Forged piston crown with ample valve pockets for optimal clearance
- Precision-fit rings ensure maximum sealing and power delivery
- Force-fed pin oiling for enhanced lubrication and reduced wear
- ArmorGlide skirt coating minimizes friction and scuffing for extended life
Reliable Power for Your EVO
Whether you're rebuilding a tired engine or aiming for a mild performance boost, the Wiseco Tracker Piston Kit delivers. The 8.5:1 compression ratio is well-suited for pump gas and offers a balance of power and reliability. Pair this kit with a fresh top-end gasket set and a proper break-in for a revitalized Evolution Big Twin that's ready to eat up the miles.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K0215P1
- Compression Ratio: 8.5:1
- Oversized: +.010
- Engine Family: EVO Flat Big Twin 1340
- 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 before ordering.
Is a gasket kit included with these pistons?
No, gasket kits are sold separately. You will need to purchase a complete top-end gasket kit specific to your Evolution Big Twin.
What compression ratio do these pistons provide?
These pistons are engineered for an 8.5:1 compression ratio, which is suitable for stock or mildly modified Evolution Big Twin engines running on pump gas.
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 | K0215P1 |
| WEIGHT | 2.75 lb |
| 8.5 | 1 |
