Wiseco Tracker 9.5:1 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.
The Wiseco Tracker piston kit brings forged strength and advanced design to your V-twin engine. Featuring a 9.5:1 compression ratio and standard bore, this kit is engineered for reliable power.
Why riders pick this
- Forged construction for exceptional strength
- Generous valve pockets for various cylinder head setups
- Precision-fit rings for optimal compression
- ArmorGlide skirt coating reduces friction
- Force-fed pin oiling for enhanced lubrication
When you demand durability and performance from your V-twin, the Wiseco Tracker piston kit delivers. Each piston is precision-forged and features a host of advanced technologies aimed at reducing friction, improving sealing, and extending the life of your engine. It's an ideal choice for a stock replacement or a mild performance build.
Built for Reliable Power
- Forged piston crown with generous valve pockets
- Precision-fit rings for superior sealing and consistent compression
- Force-fed pin oiling enhances piston pin lubrication under load
- ArmorGlide skirt coating reduces friction and scuffing for longevity
Performance You Can Trust
This Tracker piston kit is designed for V-twin motorcycles requiring a 4.000-inch stroke and a 9.5:1 compression ratio in a standard bore. The robust construction and thoughtful engineering mean it can handle the demands of the open road and spirited riding. Remember to verify your engine's specific stroke and compression ratio before ordering to ensure perfect compatibility for your build.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K0207PS
- Stroke: 4.000 in
- Compression Ratio: 9.5:1
- Length: 9.5 in
- Width: 4.87 in
- Height: 4 in
- Weight: 2.75 lbs
- Country of Origin: United States of America
Common questions
Are gasket kits included with these pistons?
No, gasket kits are sold separately. You will need to purchase the appropriate gasket kit for your engine to complete the installation.
What engines does this kit fit?
This kit is designed for V-twin motorcycles with a 4.000-inch stroke and a 9.5:1 compression ratio in a standard bore. Please verify your engine's specifications before ordering.
Do these pistons require any special break-in procedure?
Yes, proper engine break-in is crucial for any new piston installation. Follow your engine builder's or manufacturer's recommended break-in procedure for optimal performance and longevity.
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 | K0207PS |
| WEIGHT | 2.75 lb |
| 9.5 | 1 Compression |
