Kb Pistons Super Duty 10:1 Flat-Top Piston Set - Harley Twin Cam 96 to 103 Standard Bore
About Kb Pistons
KB Performance Pistons builds hypereutectic and forged pistons for American V-twin engines, and is a long-standing choice for big-bore and stock-replacement rebuilds where budget and durability both matter.
Maximize the power potential of your Twin Cam 96 to 103 engine with the Kb Pistons Super Duty Piston Set. Engineered for a 10:1 compression ratio and standard bore, these pistons are built for robust performance and a precise fit in your Harley-Davidson.
Why riders pick this
- Designed for Twin Cam 96 to 103 engines
- 10:1 compression ratio for increased power
- Standard bore size for direct replacement
- Anodized top ring groove and crown for durability
- Line2Line abradable skirt coating for precise fit
When it's time to refresh or upgrade your Twin Cam 96 or 103 engine, the Kb Pistons Super Duty Piston Set delivers. These pistons are designed for a 10:1 compression ratio and standard bore applications, providing a solid foundation for more power. Each piston features advanced coatings and construction to ensure tight running clearances and quiet operation, critical for a performance V-twin.
Built for Twin Cam Performance
- Anodized top ring groove and crown for superior durability
- Line2Line abradable skirt coating ensures a self-honing, precise fit
- Premium Hastings ring package for optimal sealing and long service life
- Forced wrist pin oiling for enhanced lubrication and reliability
- Flat-top 1.2cc design with 1.083" compression height
Unleash More Torque
These Super Duty pistons are a direct upgrade for your big-bore Twin Cam engine, offering a significant improvement in strength and efficiency. They come as a complete pair, including all rings, wrist pins, and locks, making installation straightforward. Pair them with a performance cam and a dyno tune to truly uncork the power in your Harley-Davidson Touring or Softail.
Specifications
- Brand: KB Pistons
- Manufacturer Part #: KB660LCA.STD
- UPC: 800745243379
- Engine Application: Twin Cam 96 to 103 (10:1 compression, standard bore)
- Compression Ratio: 10:1
- Top Piston Design: Flat-top, 1.2cc dish, 1.083" compression height
- Quantity: Pair (2 pistons)
- Includes: Pistons, rings, wrist pins, and locks
- Weight: 2.5 lbs
- Country of Origin: Mexico
Common questions
What compression ratio are these pistons designed for?
These Kb Pistons Super Duty pistons are engineered for a 10:1 compression ratio in Twin Cam 96 to 103 cubic inch engines.
Are these pistons a standard bore size?
Yes, this piston set is designed for standard bore Twin Cam 96 to 103 cubic inch applications.
What is included with this piston set?
This set includes a pair of pistons, along with all necessary rings, wrist pins, and locks for a complete installation.
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 | Kb Pistons |
| TYPE | Piston kits & Components |
| SKU | 824-01810 |
| WEIGHT | 2.5 lb |
| 10 | 1 Compression |
