Natural 520x78 O-Ring Chain 11/40 Sprockets for Polaris Trail Boss 330 2003-2013

520x78 O-Ring Chain and 11/40 Sprockets for Polaris Trail Boss 330 2003-2013

This aftermarket chain and sprocket set provides a reliable drivetrain replacement for Polaris Trail Boss 330 models from 2003 to 2013.

Overview

This 520x78 O-Ring chain and 11/40 sprocket set is designed to fit Polaris Trail Boss 330 models from 2003 to 2013. The O-Ring chain reduces friction and wear, ensuring long-lasting performance. This chain and sprocket set delivers smooth power transfer for your ATV.

Built For Performance

• 520 pitch chain with 78 links for precise fit
• O-Ring sealed chain reduces maintenance and extends life
• 11-tooth front sprocket and 40-tooth rear sprocket for stock gearing
• Hardened steel construction for durability
• Corrosion-resistant finish for outdoor use

Fits These Machines

• for Polaris Trail Boss 330 (2003-2013)

On-The-Job Use

• Trail riding and recreational ATV use
• Utility work and hauling
• Replacement for worn or damaged drivetrain components
• Outdoor adventures requiring reliable power delivery

Specs At A Glance

Good To Know

Q: Is this chain and sprocket set a direct replacement? A: Yes, it is designed as a direct replacement for the OEM chain and sprockets on Polaris Trail Boss 330 models from 2003 to 2013. Always verify your current sprocket tooth counts and chain length before ordering.

Q: Do I need to lubricate an O-Ring chain? A: O-Ring chains are pre-lubricated and sealed, but periodic cleaning and lubrication with appropriate chain lube will extend its life and ensure smooth operation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.