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Polaris Trail Boss 330 520x78 O-Ring Chain 11/40 Sprockets (2003–2013)
Description:
High-quality O-ring chain and sprockets kit designed for Polaris Trail Boss 330 ATV. Improves drive reliability and longevity, restoring smooth power transfer and accurate gearing across 2003–2013 models.
Features:
- Fits Polaris Trail Boss 330 (2003-2013)
- Includes chain plus sprockets for complete drive upgrade
- Durable O-ring construction for extended life
- Compatible with standard and basic gearing setups
Includes:
1 x 520x78 O-Ring Chain, 2 x 11/40 Sprockets
Fits Models:
Polaris Trail Boss 330
Model Years:
2003-2013
Submodels:
Standard
Engine Options:
329cc OHV single-cylinder
Benefits:
- Enhanced drivetrain durability and performance
- Smoother acceleration and gear shifts
- Easy maintenance with a ready-to-install kit
520x78 O-Ring Chain 11/40 Sprockets for Polaris Trail Boss 330 (2003-2013)
Polaris parts, ATV drivetrain, chain kit, sprockets, Trail Boss 330, 2003-2013, OEM replacement, performance upgrade
Shipping Information
Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.
The Kren Bits journey:
- Order received — Day 0
- With fulfilment — Day 1–2
- Heading to courier — Day 2–4
- Shipped — Day 3–7
- Almost there — Day 5–10
- Delivered — Day 5–14
Where your part ships from:
Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.
We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.
For more details, visit our Track Your Order page.
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