Wiseco Tracker 10.5:1 Standard Bore Piston Kit - Harley & Indian V-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 your V-twin's performance with the Wiseco Tracker piston kit. Engineered for a 10.5:1 compression ratio and a standard bore, this kit is built for increased power and durability.
Why riders pick this
- Forged construction for extreme durability
- 10.5:1 compression ratio for increased power
- Generous valve pockets accommodate larger valves
- Precision-fit rings for optimal cylinder sealing
- ArmorGlide skirt coating reduces friction
When you're chasing more horsepower and a crisper throttle response from your V-twin, the Wiseco Tracker piston kit is your answer. These pistons are forged for superior strength, featuring valve pockets designed for big-valve heads and an ArmorGlide skirt coating to minimize friction. It's a premium upgrade for any performance-oriented rebuild.
Designed for Enhanced Power and Reliability
- Forged piston crown with generous valve pockets for big-valve heads
- Precision-fit rings ensure ultimate sealing and consistent compression
- Force-fed pin oiling enhances piston pin lubrication for longevity
- ArmorGlide skirt coating reduces friction and improves scuff resistance
Unleash Your V-Twin's Potential
This Tracker piston kit is tailored for V-twin motorcycles with a 4.000-inch stroke and a 10.5:1 compression ratio in a standard bore. It's a solid choice for riders looking to increase their engine's output without going to an oversized bore. Always confirm your engine's exact displacement and stroke specifications before ordering to ensure perfect compatibility and optimal performance.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K0208PS
- Compression Ratio: 10.5:1
- Stroke: 4.000 inches
- Length: 9.5 inches
- Width: 4.87 inches
- Height: 4 inches
- 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 pistons, precision-fit piston rings, and wrist pins. Gasket kits are sold separately and are essential for a complete engine rebuild.
Will these pistons work with my stock cylinders?
Yes, this kit is designed for standard bore applications, meaning it can be used with stock cylinders provided they are in good condition and within specification.
Is a custom tune necessary after installing these pistons?
Yes, installing pistons with a higher compression ratio (10.5:1) will require a professional dyno tune to ensure proper air/fuel mixture and ignition timing, maximizing performance and preventing engine issues.
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 | K0208PS |
| WEIGHT | 2.75 lb |
| 10.5 | 1 Compression |
