Wiseco Nylon Flexhone Brush - 45-57mm

Wiseco Nylon Flexhone brush for 45–57mm bores, used after primary honing to remove microscopic peaks and create a superior plateau finish in V-twin cylinders. Safe for cast iron, plated, and 2-cycle engine bores.

Features

• Abrasive-impregnated nylon bristles
• Creates plateau finish without enlarging bore
• Removes honing peaks and scuffs
• Safe for cast iron and plated bores
• Compatible with 2-cycle engines

Specifications

• Brand: Wiseco
• Manufacturer Part #: W6075
• Bore Range: 45–57mm
• Length: 6.45 in
• Weight: 0.33 lbs

Fitment

Fits V-twin motorcycle engines with 45–57mm bores, including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

What does a flexhone brush do?

It removes microscopic peaks and honing marks left after cylinder honing, creating a smooth plateau finish that helps rings seat properly.

Will this enlarge my bore?

No — the flexhone is designed to plateau the finish without increasing bore diameter.

Can I use this on a 2-cycle engine?

Yes — Wiseco nylon flexhones are safe for both 2-cycle and 4-cycle engine bores.

What bore sizes does this fit?

This brush is sized for 45–57mm bores. Check your cylinder diameter before ordering if you need a different size.