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Polaris Sportsman 450 400 Ranger 88.9mm .040 Over Bore Piston Rings
Description:
Premium overbore piston rings designed for 88.9mm engines, delivering proper compression, reduced wear, and reliable sealing for Polaris Sportsman 450/400 and Ranger models. Helps restore performance after bore increases and supports durable engine performance.
Features:
- 88.9mm bore compatibility for specific Polaris ATV/UTV engines
- Restores compression and sealing after bore work
- Suitable for Sportsman 450/400 and Ranger lines
Includes:
1 x .040 over bore piston rings set for 88.9mm Polaris engines
Fits Models:
Polaris Sportsman 450, Polaris Sportsman 400, Polaris Ranger
Model Years:
(omit if not available)
Submodels:
- Sportsman / Ranger variants with 88.9mm bore
Engine Options:
Polaris 450 / 400 / Ranger with 88.9mm bore
.040 Over Bore Piston Rings for Polaris Sportsman 450 400 Ranger 88.9mm
Namura, piston rings, overbore, 88.9mm, Polaris, Sportsman, Ranger, ATV, UTV, engine components
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.
Product Enquiry
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