Wiseco Forged High-Silicon Aluminum V-Twin 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.
Elevate your V-twin's performance with the Wiseco V-Twin Piston Kit, crafted for riders who demand uncompromising strength and efficiency. These pistons are engineered to deliver superior heat transfer and a precise fit, ensuring your engine runs optimally under all conditions. Experience the difference of premium forged components in your Harley-Davidson or Indian Motorcycle.
Why riders pick this
- Forged high-silicon, low-expansion aluminum
- Diamond-turned finish for precise fitment
- Compatible with all common cylinder bore types
- Reduced weight improves engine response
- Superior strength and heat transfer capabilities
This Wiseco V-Twin piston kit is constructed from forged high-silicon, low-expansion aluminum, a material chosen for its exceptional strength and ability to manage heat effectively within the engine. The precision diamond-turned finish guarantees zero size variation, which is critical for consistent performance and longevity. Designed for broad compatibility, these pistons work seamlessly with cast iron, chrome, nikasil, and boron composite cylinder bores, making them a versatile upgrade for a wide range of V-twin applications.
Built for Demanding V-Twin Performance
- Forged high-silicon, low-expansion aluminum construction
- Diamond-turned finish with CNC precision for exact fitment
- Compatible with all cylinder bore types for versatile application
- Reduced weight helps improve engine response and durability
- Available in oversize options for various build needs
A Solid Foundation for Any Build
Whether you're embarking on a full engine overhaul or simply looking to upgrade your existing setup, Wiseco pistons provide a robust foundation. Their advanced material and manufacturing process ensure reliable operation, even under aggressive riding conditions. These pistons are an ideal choice for riders looking to enhance their V-twin's internal strength and thermal management, setting the stage for increased power and reliability.
Specifications
- Brand: Wiseco
- Manufacturer Part #: K1682
- Length: 9.6 in
- Width: 5 in
- Height: 3.9 in
- Weight: 2.3 lbs
Common questions
Will this piston work in my nikasil-lined cylinders?
Yes, Wiseco pistons are engineered to work confidently in cast iron, chrome, nikasil, and boron composite cylinder bores without modification.
What makes Wiseco pistons better than stock?
Forged high-silicon aluminum offers superior strength, reduced weight, and improved heat transfer compared to many stock cast pistons, enhancing durability and performance.
Are these pistons available in different sizes?
Yes, Wiseco offers these pistons in various options, including oversize, to accommodate different cylinder bore conditions and rebuild requirements.
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 | K1682 |
| WEIGHT | 2.3 lb |
