Wiseco 98.68mm Ring Set for Wiseco Pistons Only
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 Ring Set is precisely crafted for a 98.68mm bore, providing the essential seal for high-performance V-twin engines. Engineered for exclusive use with Wiseco pistons, this set guarantees optimal fitment and reliable function. It is compatible with a variety of cylinder bore materials, ensuring broad applicability for your build.
Why riders pick this
- 98.68mm bore diameter for precise fitment
- Exclusively designed for Wiseco pistons
- Compatible with cast iron, Nikasil, boron, and Electrofusion bores
- Ensures optimal compression and oil control
For any serious V-twin engine build or refresh, the quality and fit of your piston rings are paramount. This Wiseco ring set delivers the exact specifications needed for proper compression and oil control, which are critical for maximizing horsepower and maintaining engine longevity. Using rings specifically matched to your pistons is key to preventing lost compression and excessive oil consumption.
Reliable Sealing for V-Twin Engines
- Designed for a 98.68mm bore diameter
- Exclusive compatibility with Wiseco pistons
- Works with cast iron, Nikasil, boron composite, and Electrofusion bores
- Essential for maintaining proper engine compression
Foundation for Performance
Properly matched piston rings are the foundation of a healthy, powerful V-twin. This Wiseco ring set is built for durability and consistent performance in demanding applications. Always double-check your piston and cylinder bore measurements to ensure correct fitment. It's crucial to note these rings are not suitable for chrome-plated bores, as this can lead to engine damage.
Specifications
- Brand: Wiseco
- Manufacturer Part #: 3885VMF
- Bore Size: 98.68mm
- Length: 6 in
- Width: 5 in
- Height: 0.5 in
- Weight: 0.094 lbs
- Country of Origin: Japan
Common questions
Can I install these rings in a chrome-plated cylinder bore?
No, these Wiseco rings are not compatible with chrome-plated cylinder bores. Using them in such bores can cause engine damage. They are designed for cast iron, Nikasil, boron composite, or Electrofusion bores.
Are these rings suitable for other brands of pistons?
No, this ring set is specifically designed for use with Wiseco pistons only. Using them with other piston brands will not provide the correct fit and could lead to engine issues.
How do I confirm the correct bore size for these rings?
These rings are sized for a 98.68mm bore. You must accurately measure your cylinder bore to ensure it matches this specification and confirm compatibility with your Wiseco pistons.
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 | 3885VMF |
| WEIGHT | 0.09 lb |
