Kb Pistons Forged Alloy Piston 10.5:1 STD - Harley Twin Cam 88 to 95ci
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.
Elevate the performance of your Twin Cam 88 to 95ci engine with KB Pistons Forged Alloy Pistons. Featuring a 10.5:1 compression ratio and standard size, these pistons are built for the demands of high-performance riding.
Why riders pick this
- 4032 forged alloy with 11% silicon
- Superior crack resistance under detonation
- Coated skirts for long-term durability
- Includes rings, wrist pins, and locks
- Ideal for power adders and race applications
Constructed from a robust 4032 forged alloy with an 11% silicon content, these pistons offer superior crack resistance under the most extreme conditions, including detonation and pre-ignition. This makes them a prime choice for street or race applications where power adders like nitrous or boost are utilized, ensuring maximum reliability and longevity.
Engineered for High-Stress Environments
- Made from 4032 forged alloy with 11% silicon for strength
- Superior crack resistance to withstand detonation and pre-ignition
- Coated skirts on all Twin Cam applications for reduced wear
- Designed for demanding street and race setups
- Includes rings, wrist pins, and wrist pin locks for easy installation
Unleash Your Twin Cam's Full Potential
These KB Forged Alloy Pistons provide the strength and resilience needed to unlock the full potential of your Twin Cam 88 to 95ci engine. The standard size simplifies the upgrade process for many applications, while the included rings, wrist pins, and locks ensure you have a complete kit for a professional installation. Always consult your engine builder to confirm specific fitment and tuning requirements for your build.
Specifications
- Brand: KB Pistons
- Manufacturer Part #: KB906C.STD
- UPC: 800745152763
- Compression Ratio: 10.5:1
- Engine Size: Twin Cam 88 to 95ci
- Size: Standard
- Length: 5.9 in
- Width: 5.8 in
- Height: 5.7 in
- Weight: 2.6 lbs
- Country of Origin: Mexico
Common questions
Are rings and wrist pins included with these pistons?
Yes, all necessary rings, wrist pins, and wrist pin locks are included with the piston pair for a complete installation.
What type of applications are these pistons best suited for?
These forged alloy pistons are ideal for Harley-Davidson Twin Cam 88 to 95ci engines in street or race applications, especially those utilizing power adders like nitrous or boost.
Will these pistons require engine tuning?
Any change to compression ratio or engine internals, especially with power adders, will require a proper dyno tune to ensure optimal performance and engine longevity. Consult with a professional tuner.
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 | 824-01506 |
| WEIGHT | 2.6 lb |
| 10.5 | 1 Compression |
