Cylinder Works Kawasaki/Suzuki Big Bore Kit
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Cylinder Works Kawasaki/Suzuki Big Bore Kit
The Cylinder Works Kawasaki/Suzuki Big Bore Kit is an application-focused powersports engine component for riders and builders who need clear bore, kit and vehicle compatibility information. Use the fitment details below and match manufacturer part number 41001-1 before installation.
Product Details
- Cylinder Works Big Bore Cylinder
- Big-bore engine component designed for the listed displacement upgrade application
- Confirm supporting tuning, fuel and installation requirements for your build
- Displacement: 400 cc
- Size Over Standard: 4.00mm
Manufacturer Part Number: 41001-1
Vehicle Fitment
Fitment was normalized from application information supplied in the original listing. Confirm the exact model and engine configuration before ordering.
| Year | Make | Model |
|---|---|---|
| 2000-2004 | Suzuki | DR-Z400 |
| 2000-2007 | Suzuki | DR-Z400 E |
| 2000-2024 | Suzuki | DR-Z400 S |
| 2005-2024 | Suzuki | DR-Z400 SM |
| 2025 | Suzuki | DR-Z4S [400cc] |
| 2025 | Suzuki | DR-Z4SM [400cc] |
| 2003-2014 | Suzuki | LT-Z400 |
| 2003-2006 | Kawasaki | KFX 400 |
| 2003-2004 | Kawasaki | KLX 400 R |
Clear product information, fitment support and 30-day returns on new, unused items.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
Changed your mind? No problem. Most new, unused, and uninstalled items can be returned within 30 days of delivery.
We do not charge a standard restocking fee. Customers are responsible for return shipping unless the item arrived damaged, defective, or incorrect.
Items must be returned in original packaging and in resalable condition.
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!
