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Polaris Sportsman 450 Namura Size A Top End Kit (2017-2025)
Description:
Top-end rebuild kit designed to restore compression and reliability for
2017-2025 Polaris Sportsman 450. Ideal for high-mileage engines or
regular maintenance, improving power delivery and longevity.
Features:
- Size A piston kit for OEM bore
- Compatible with EFI and HO models
- Includes gaskets and essential components for a complete top-end
- Enhances performance, protection, and engine longevity
Includes:
- 1 x Size A piston kit, 1 x rings, 1 x wrist pin, 2 x circlips, 1 x base gasket, 1 x head gasket
Fits Models:
- Polaris Sportsman 450
Model Years:
- 2017-2025
Submodels:
- Sportsman 450 EFI, Sportsman 450 HO
Engine Options:
- 450cc 4-stroke, single-cylinder
Namura Size A Top End Kit for Polaris Sportsman 450 (2017-2025)
polaris, namura, top end kit, sportsman 450, 2017-2025, 450, piston kit, ATV, rebuild
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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