

Specifications
- Brand
- ProX
- Part #
- 02.1113

ProX 03-07 CR85 Piston Ring Set (47.50mm)
$16.31
Fits 2003-2007 Honda CR85R. ProX piston rings are made in Japan to exact OEM specs for reliable engine performance.
Key Features
- Fits 2003-2007 Honda CR85R and CR85RB Expert.
- Manufactured in Japan to exact OEM specifications and tolerances.
- Designed for use in cast iron, Nikasil, boron composite, and electrofusion cylinder bores.
- Features a 47.50mm bore size, matching the stock specification.
- Built in partnership with OEM factories and well-known brands like Rikken Japan, TP, and NPR.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Fits these vehicles
- Honda CR85R 2003-2007
- Honda CR85RB Expert 2003-2007
Product Details
This ProX piston ring set is manufactured in Japan to exact OEM specifications and tolerances, ensuring a precise fit for your 2003-2007 Honda CR85R or CR85RB Expert. These rings are built to work with various cylinder bore types, including cast iron, nickel ceramic (Nikasil), boron composite, and electrofusion. If your cylinder has a chrome bore, ProX offers a different ring set, but for most applications, these will get your engine running right.
ProX partners with well-known manufacturers like Rikken Japan, TP, and NPR, so you can trust the quality you're getting. This attention to detail means you're installing a well-built component that meets the original equipment standards for your bike. This set is specifically sized at 47.50mm, which is the standard bore size for these CR85 models.
Specifications
- Brand
- ProX
- Manufacturer Part #
- 02.1113
Frequently Asked Questions
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ProX 03-07 CR85 Piston Ring Set (47.50mm)
