Wiseco Twin Cam 88" 10.5:1 Compression 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.
Upgrade your Twin Cam 88" engine with this Wiseco forged piston kit, engineered for a potent 10.5:1 compression ratio. Crafted from high-silicon aluminum, these pistons deliver exceptional strength and superior heat transfer, making them ideal for both direct replacement and performance upgrades on Harley-Davidson and Indian Motorcycle V-twins.
Why riders pick this
- 10.5:1 compression ratio for increased power
- Forged high-silicon aluminum for superior strength
- Precision diamond-turned finish for exact fit
- Works with all common cylinder bore types
- Reduced weight and improved heat dissipation
When it's time to refresh or upgrade your Twin Cam 88" engine, this Wiseco piston kit offers a significant advantage. The 10.5:1 compression ratio provides a noticeable boost in power and torque, making your V-twin more responsive across the RPM range. Each piston is precision-forged from high-silicon aluminum, ensuring a robust and lightweight component that can withstand the rigors of high-performance riding.
Engineered for Twin Cam Power
- Forged high-silicon, low-expansion aluminum construction
- Diamond-turned finish ensures zero size variation and precise fit
- Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bores
- Reduced weight and improved heat dissipation for enhanced engine life
- Oversizes available to extend cylinder life during rebuilds
The Heart of Your V-Twin Build
These Wiseco pistons are a critical component for any Twin Cam 88" performance build, offering the durability and precision needed for reliable power. Their broad compatibility with different cylinder materials makes them a versatile choice. For optimal results, consider pairing this kit with a performance cam and a professional dyno tune to fully unlock your engine's potential and ensure long-term reliability.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K2726
- Compression Ratio: 10.5:1
- Engine: Twin Cam 88"
- Length: 9.7 in
- Width: 4.9 in
- Height: 4 in
- Weight: 2.1 lbs
Common questions
Will this piston kit work with my current cylinders?
Yes, Wiseco forged pistons are compatible with cast iron, chrome, Nikasil, and boron composite cylinder bores, offering broad application.
What compression ratio does this kit provide?
This kit is specifically designed for a 10.5:1 compression ratio in Twin Cam 88" engines, providing a performance upgrade.
Do I need a special tune after installing these pistons?
Yes, installing pistons with an increased compression ratio will require a proper dyno tune to ensure optimal engine performance, fuel delivery, 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 | K2726 |
| WEIGHT | 2.1 lb |
| 10.5 | 1 Compression |
