Wiseco Tracker Piston Kit 10.5:1 +.010 - 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.
This Wiseco Tracker Piston Kit is engineered for 96–103 cubic-inch V-twin engines running a 4.375-inch stroke with a 10.5:1 compression ratio. Featuring a forged piston crown and ArmorGlide skirt coating, this kit is built for durability and reduced friction. It's an ideal choice for riders looking to enhance their engine's performance and longevity.
Why riders pick this
- Forged piston crown for extreme durability
- Precision-fit rings for optimal sealing
- Force-fed pin oiling for enhanced lubrication
- ArmorGlide skirt coating reduces friction
- Designed for 96–103 cubic-inch V-twin engines
When you're pushing your V-twin, you need components that can take the heat. The Wiseco Tracker Piston Kit delivers with robust forged construction designed to withstand the demands of performance riding. This kit helps you build a more reliable and powerful engine, whether you're refreshing an older motor or chasing more grunt from a newer one.
Engineered for Performance and Durability
- Forged piston crown with generous valve pockets for big valves
- Precision-fit rings ensure ultimate sealing and compression
- Force-fed pin oiling provides enhanced lubrication where it matters most
- ArmorGlide skirt coating reduces friction and improves scuff resistance
Optimized for Your Build
This +.010 oversized piston kit is designed for a precise fit during your engine rebuild, accommodating minor cylinder wear or a light bore. The 10.5:1 compression ratio offers a noticeable performance boost without requiring extreme modifications, making it a solid choice for a variety of V-twin setups. Pair this with a performance cam and a proper dyno tune for maximum gains.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K0210P1
- Engine Displacement: 96–103 cubic inches
- Stroke: 4.375 inches
- Compression Ratio: 10.5:1
- Oversize: +.010 inches
- 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 ring set, and piston pin. Gaskets and seals for a complete top-end rebuild are sold separately.
What compression ratio will this piston achieve?
This kit is designed to deliver a 10.5:1 compression ratio when installed in a 96–103 cubic-inch engine with a 4.375-inch stroke. This is a moderate increase for enhanced performance.
Do I need to bore my cylinders for this piston?
Yes, this is a +.010 oversized piston, which typically requires boring your cylinders to the correct dimension for a proper fit. Always confirm with your engine builder.
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 | K0210P1 |
| WEIGHT | 2.75 lb |
| 10.5 | 1 Compression |
