Wiseco Black Edition 103 CID 10.5:1 +.010 Piston Kit - Harley Twin Cam
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.
Give your Twin Cam 103 CID engine a new lease on life with the Wiseco Black Edition Piston Kit. This +.010 oversized kit delivers a powerful 10.5:1 compression ratio, ideal for performance-oriented rebuilds on Harley-Davidson and Indian Motorcycle V-twins.
Why riders pick this
- +.010 oversized for bore increase
- Boosts compression to 10.5:1 for increased power
- Advanced Armor X and ArmorGlide coatings reduce wear and friction
- Optimized ring design for superior oil control and sealing
- Compatible with OEM and Screamin' Eagle cylinder heads
These Wiseco Black Edition pistons are engineered for maximum durability and performance in V-twin engines. Featuring advanced Armor X crown coating and ArmorGlide skirt coating, they significantly reduce friction, wear, and scuffing. The premium ring package ensures an excellent seal and superior oil control, making this kit a top choice for a high-performance Twin Cam rebuild that demands reliability and power.
Robust Design for Enhanced Engine Life
- Premium compression ring for superior combustion sealing
- Napier second ring with taper face and underhook for precise oil control
- 3mm oil ring with higher tension for enhanced lubrication management
- Armor X piston crown coating reduces wear and extends component life
- ArmorGlide skirt coating minimizes friction and improves scuff resistance
The Right Choice for an Oversized Build
When your Twin Cam 103 CID engine needs an overbore, this +.010 oversized Wiseco Black Edition piston kit provides the perfect solution. It's designed to bring your engine back to peak performance with a higher 10.5:1 compression ratio for a noticeable power increase. Remember to have your cylinders professionally bored and honed to the +.010 specification and plan for a comprehensive dyno tune to optimize your engine's performance after installation.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K2795
- Engine: Twin Cam 103 CID
- Compression Ratio: 10.5:1
- Size: +.010 oversized
- Length: 9 in
- Width: 4 in
- Height: 4 in
- Weight: 2.4 lbs
Common questions
Will this piston kit work with Screamin' Eagle heads?
Yes, this Wiseco Black Edition piston kit is engineered to work seamlessly with both OEM Harley-Davidson and Screamin' Eagle cylinder heads.
What does +.010 oversized mean?
The +.010 designation indicates that these pistons are designed for cylinders that have been bored out by ten thousandths of an inch (.010") larger than the stock diameter, typically for a rebuild.
Do I need to tune my bike after installing these pistons?
Yes, a dyno tune is absolutely essential after installing pistons that change the compression ratio and bore size. This ensures proper air/fuel mixture and ignition timing for optimal performance and engine 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 | Black |
| SKU | K2795 |
| WEIGHT | 2.4 lb |
