Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
Wiseco Evolution Piston Kit - WK1641
Product info
- Item number
- K1641
- Manufacturer number
- WK1641
- Position
Upgrade your engine's performance with the Wiseco High-Performance Piston Kit. Forged for superior strength and reliability, this kit provides everything you need for a top-end rebuild. Experience enhanced power and durability with components engineered for demanding applications.
Description
The Wiseco High-Performance Piston Kit, specifically the K1641 model, is designed for enthusiasts and professionals seeking to maximize engine output and longevity. This kit features pistons forged from high-silicon aluminum alloy, providing exceptional strength and dependability under high stress. The pistons are engineered with a flat top design, rated at -1.5cc. The kit is designed for a 1340cc displacement engine, featuring a 3.508" bore size with a +0.010" oversize. Included is an X-Ring package (0.062" top ring, 0.062" compression ring, and 0.158" oil ring) that optimizes sealing and reduces friction, resulting in improved performance and reduced wear. Built to exacting standards in the USA, this kit ensures a precise fit and reliable operation. The 8.5:1 compression ratio provides a boost in power while maintaining engine safety and reliability.
Features & highlights
- Forged from high-silicon aluminum alloy for maximum strength and dependability.
- Includes X-Ring package for improved sealing and reduced friction.
- Kit includes pistons, rings, retainer clips, and chrome piston pins for a complete rebuild.
- Designed for a 1340cc engine to boost performance.
- Features a Flat Top piston design rated at -1.5cc.
- Made in the USA ensuring top-quality craftsmanship.
Technical specifications
- Brand: WISECO
- MPN: K1641
- Bore Size: 3.508" (+0.010" Oversize)
- Displacement: 1340 cc
- Compression Ratio: 8.5:1
- Piston Material: Forged 2618 Aluminum
- Piston Diameter: 3.5055"
- Piston Head Shape: Flat Top -1.5 cc
- Stroke Length: 4-1/4"
- Skirt Coating: Non-Coated
- Engine Type: 4-Stroke
- Type: Top End
- Units: Kit
- Color/Finish: Aluminum
Important to know
This is a top-end rebuild kit that includes pistons, rings, retainer clips, and piston pins. Additional engine components are required for a complete engine overhaul and are not included in this kit.
- Brand
- WISECO
- Vendor part number
- WK1641
- Product name
- Rebuild Kit
- Bore size
- 3,508"
- Compression ratio
- 8.5:1
- Displacement
- 1340 cc
- Piston material
- Forged 2618 Aluminum
- Stroke length
- 4-1/4"
- Piston diameter
- 3.5055"
- Bore oversize
- +0.010"
- Skirt coating
- Non-Coated
- Engine type
- 4-Stroke
- Piston head shape
- Flat Top -1.5 cc
- Type
- Top End
- Units
- Kit
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
Certified e-mærket web shop
