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Sportsman 400 & 450 Ranger 425 Namura / Standard Bore Piston & Gasket
Description:
Namura standard bore piston and gasket kit for reliable rebuilds on Sportsman 400/450 and Ranger 425. Improves compression, sealing, and overall engine performance with OEM-like fit.
Features:
- Designed for Polaris Sportsman 400/450 and Ranger 425
- Includes piston and gasket kit for complete rebuild
- Standard bore for durable, reliable performance
- Supports improved compression and engine sealing
Includes:
2 x components: piston + gasket set
Fits Models:
Polaris Sportsman 400, Polaris Sportsman 450, Polaris Ranger 425
Model Years:
(n/a)
Submodels:
All Submodels
Engine Options:
400cc, 450cc
Namura Piston & Gasket for Sportsman 400/450 & Ranger 425
Namura, piston, gasket, standard bore, Sportsman 400, Sportsman 450, Ranger 425, ATV, UTV, engine rebuild, performance
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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