WISECO SKU: K1656

Wiseco V-Twin Forged Piston Kit - Harley & Indian V-Twin

$447.95
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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 V-twin engine with a Wiseco Piston Kit, engineered for superior strength and durability. These forged pistons are crafted from high-silicon, low-expansion aluminum, providing a robust foundation for any performance build or engine refresh. Experience improved heat transfer and reduced weight over factory cast pistons.

Why riders pick this

  • Forged high-silicon aluminum for ultimate strength
  • Precision diamond-turned finish for accuracy
  • Compatible with diverse cylinder bore types
  • Reduces weight for improved engine response
  • Enhances heat transfer for engine longevity

When pushing the limits of your V-twin, reliable engine internals are non-negotiable. Wiseco's forged piston kits offer a significant advantage, designed to withstand the stresses of high-performance riding. The precision manufacturing ensures a consistent fit and long-lasting operation, crucial for any serious rider.

Engineered for Lasting Performance

  • Forged high-silicon, low-expansion aluminum construction for extreme durability
  • Diamond-turned finish ensures precise dimensions and consistent cylinder wall contact
  • Compatible with a wide range of cylinder materials, including cast iron, chrome, nikasil, and boron composite
  • Reduced weight helps improve engine response and reduce reciprocating mass

A Solid Foundation for Power

Whether you're doing a top-end refresh or building a performance monster, these Wiseco pistons provide the reliability you need. Their design supports optimal heat transfer, critical for maintaining engine integrity under heavy loads. For best results, ensure proper cylinder preparation and consider a professional tune after installation.

Specifications

  • Brand: Wiseco
  • Manufacturer Part #: K1656
  • Weight: 2.74 lbs

Common questions

What are the benefits of forged pistons over cast pistons?

Forged pistons are significantly stronger and more durable than cast pistons, making them ideal for high-performance applications. They also offer better heat transfer and reduced weight.

Will these pistons fit my V-twin motorcycle?

This Wiseco V-Twin Piston Kit is designed for a wide range of V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models. Please use the 'Shop by Bike' feature to confirm exact fitment for your specific year and model.

Are oversized options available for cylinders that need to be bored?

Yes, Wiseco offers oversized piston options to accommodate cylinders that have been re-sleeved or require boring to a larger diameter.

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.
BRANDWiseco
TYPEPiston kits & Components
SKUK1656
WEIGHT2.74 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.5
2 RATINGS
5★ 1
4★ 1
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Aug 11, 2020

worked great .a little pricey compared to other brands

— Anonymous
✓ VERIFIED
Jan 16, 2020

I THINK WISECO IS A VERY GOOD PRODUCT. THE ITEM DOESN'T FIT WHAT IT CLAIMS TO FIT, RETURNED

— Anonymous