Wiseco Tracker Piston Kit 10:1 +.030 Bore - 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 more power from your Harley Evolution Big Twin with this Wiseco Tracker Piston Kit. Engineered for a +.030 overbore, these forged pistons bump your compression to 10:1 for a noticeable performance gain. Built to handle the demands of a high-performance V-twin, this kit is ready for serious miles.
Why riders pick this
- Forged piston crown for maximum strength and reliability
- 10:1 compression ratio for a significant power increase
- ArmorGlide skirt coating reduces friction and extends piston life
- Oversized valve pockets fit performance cams
- Force-fed pin oiling for enhanced lubrication
- Designed for +.030 overbore Evolution Big Twin engines
When you're chasing bigger numbers from your Evolution Big Twin, a piston upgrade is a fundamental step. The Wiseco Tracker Piston Kit delivers a robust foundation for increased power, moving from stock compression to a more aggressive 10:1 ratio. Each piston is forged for maximum strength and designed with features that reduce friction and extend component life, crucial for any performance build.
Engineered for Performance and Durability
- Forged crown construction withstands higher cylinder pressures
- Oversized valve pockets accommodate performance camshafts
- Force-fed pin oiling ensures critical lubrication where it's needed most
- ArmorGlide skirt coating reduces friction and wear for longer engine life
- Precision-fit rings provide superior cylinder sealing for consistent power
Building a High-Performance Evolution
This Wiseco Tracker Piston Kit is an essential component for any Evolution Big Twin rebuild targeting enhanced output. It's designed for a +.030 overbore, so confirm your cylinder measurements before ordering. Pair these pistons with a performance camshaft and a proper dyno tune to fully realize the potential of your upgraded compression ratio. This kit provides the durability and performance needed for aggressive riding, whether you're building a hot rod Dyna, a custom Softail, or an uncorked Touring bike.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K0216P3
- Compression Ratio: 10:1 Dome
- Bore Size: +.030
- Engine: EVO 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's included in this piston kit?
This kit includes the forged piston, precision-fit rings, wrist pin, and retaining clips. Gasket kits are sold separately and are required for installation.
Is this a higher compression piston than stock?
Yes, this Wiseco Tracker piston kit features a 10:1 compression dome, which is a higher compression ratio than stock Evolution Big Twin pistons. This upgrade is intended for performance builds.
Will these pistons fit my Twin Cam or Milwaukee-Eight engine?
No, this specific Wiseco Tracker Piston Kit is designed exclusively for Evolution Big Twin 1340cc engines with a +.030 overbore. It will not fit Twin Cam or Milwaukee-Eight platforms.
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 | K0216P3 |
| WEIGHT | 2.75 lb |
| 10 | 1 Compression |
