Wiseco Black Edition Piston Kit 11.0:1 114ci - Harley Milwaukee-Eight
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 the performance of your Milwaukee-Eight 114ci engine with the Wiseco Black Edition Piston Kit. Engineered for an aggressive 11.0:1 compression ratio, these pistons are built to deliver more power and torque. With advanced Armor X and ArmorGlide coatings, they offer exceptional durability and reduced friction for high-performance applications.
Why riders pick this
- 11.0:1 compression ratio for significant power gains
- Armor X coating for extreme durability and reduced wear
- ArmorGlide skirt coating reduces friction and improves scuff resistance
- Optimized ring pack for superior sealing and oil control
- Designed for Milwaukee-Eight 114ci engines
- Compatible with OEM and Screamin' Eagle cylinder heads
The Wiseco Black Edition Piston Kit is specifically designed for riders who demand peak performance from their Milwaukee-Eight 114ci engine. By increasing the compression to 11.0:1, these pistons unlock a new level of power and responsiveness. They are built for compatibility with both OEM and Screamin' Eagle cylinder heads, offering a straightforward upgrade path for a range of M8 builds. Every detail, from the optimized ring package to the protective coatings, contributes to enhanced engine longevity and output.
Advanced Design for M8 Performance
- Premium compression ring ensures ultimate cylinder sealing
- Napier second ring with taper face and underhook for superior oil control
- 3mm oil ring design provides higher tension for enhanced oil management
- Armor X piston coating minimizes wear and extends piston life
- ArmorGlide skirt coating reduces friction and improves scuff resistance
- Compatible with both stock and Screamin' Eagle cylinder heads
Maximizing Your M8 114ci
This Wiseco Black Edition Piston Kit is a critical upgrade for any Milwaukee-Eight 114ci owner aiming for serious performance gains. The increased 11.0:1 compression ratio will significantly benefit from a performance camshaft and a custom dyno tune to ensure optimal air-fuel ratios and ignition timing. Whether you're building a high-performance touring machine or a custom Softail, these pistons provide the robust internals necessary to handle the demands of a powerful M8 engine. They come ready for installation, simplifying your build.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K2785
- Compression Ratio: 11.0:1
- Displacement: 114 cubic inches
- Length: 9.5 in
- Width: 4.87 in
- Height: 4 in
- Weight: 2.77 lbs
- Country of Origin: United States of America
Common questions
Will this piston kit work with my OEM Harley heads?
Yes, this Wiseco Black Edition Piston Kit is engineered to be compatible with both factory Harley-Davidson cylinder heads and Screamin' Eagle performance heads for Milwaukee-Eight 114ci engines.
What compression ratio do these pistons provide?
This piston kit features an 11.0:1 compression ratio, which is a substantial increase over stock and ideal for maximizing the performance of your Milwaukee-Eight 114ci engine.
Are gaskets included with this kit?
No, this Wiseco Black Edition Piston Kit includes the pistons, rings, pins, and clips. Gasket sets are sold separately and are required for a complete engine assembly.
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 | K2785 |
| WEIGHT | 2.77 lb |
| 11.0 | 1 Compression |