Wiseco Nylon Flexhone Brush 63-76mm - V-Twin Cylinder Bore Tool
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.
The Wiseco Nylon Flexhone brush for 63-76mm bores is engineered to deliver a superior plateau finish in V-twin motorcycle cylinders. Its abrasive nylon bristles meticulously remove microscopic peaks and scuffs left by initial honing, ensuring optimal ring seating without enlarging the bore.
Why riders pick this
- Delivers a superior plateau finish on V-twin bores
- Removes microscopic peaks without enlarging bore size
- Promotes optimal piston ring seating and seal
- Safe for plated and cast iron cylinder applications
- Enhances engine compression and longevity
For any serious V-twin engine builder, achieving the correct cylinder bore finish is paramount for performance and longevity. This Wiseco Flexhone brush provides that critical final step, refining the cylinder walls to promote rapid and effective piston ring seating. This leads to better compression, reduced oil consumption, and a more robust engine.
Refine Your Cylinders for Peak Performance
- Abrasive-impregnated nylon bristles remove honing marks
- Creates a superior plateau finish without increasing bore diameter
- Ensures proper piston ring seating for maximum compression
- Safe for use on both plated and cast iron V-twin cylinder bores
- Contributes to extended engine life and reliable operation
The Finishing Touch for V-Twin Rebuilds
Don't overlook the importance of cylinder finishing in your Harley-Davidson or Indian Motorcycle engine rebuild. The Wiseco Nylon Flexhone brush provides the professional-grade touch needed to prepare your cylinders for optimal performance. It's a simple tool that makes a significant difference in how your V-twin runs, ensuring a strong, leak-free seal and efficient power delivery.
Specifications
- Brand: Wiseco
- Manufacturer Part #: W6077
- Bore Range: 63–76mm
- Length: 5.1 in
- Weight: 0.42 lbs
Common questions
What unique benefits does a flexhone brush offer compared to sandpaper or stones?
The nylon bristles remove microscopic peaks from honing without enlarging the bore, creating a plateau finish that significantly improves piston ring seating and oil retention, which traditional methods often can't achieve as effectively.
Can this Wiseco flexhone be used on plated cylinders?
Yes, this Wiseco Nylon Flexhone brush is safe and effective for use on both plated and cast iron cylinder bores in V-twin engines.
Is this brush suitable for 2-cycle V-twin engines?
Yes, this Wiseco Nylon Flexhone brush is safe and suitable for use on both 2-cycle and 4-cycle V-twin engine bores.
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 | Tools |
| SKU | 39-6077 |
| WEIGHT | 0.42 lb |
