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SUNSTAR SPROCKET - 394-4245 Sprockets


Standard steel rear sprockets (ATV/MX/Off-Road/Street)
The strongest, longest lasting steel replacement sprocket available.
• Constructed of the highest quality 1045 high-carbon steel • Exclusive heat treatment process for added strength and wear resistance • Most are zinc plated and have a baked-on paint process for durability and corrosion resistance • Sunstar’s steel rear sprocket is the strongest, most reliable and longest lasting steel sprocket available • The OEM’s choice sprockets on nearly every Japanese brands’ motorcycles since 1946

For OEM gear and chain information, please check out this document.

Application chart


Parts Finder
Type Rear - Steel, 45 teeth
OEM Part Number Year Model
2-353845 1987 - 1988 YFM350X Warrior
2-353845 1987 - 1988 YFZ350 Banshee

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