Home Polaris Sportsman 850 Scrambler 2 x Namura .040 Over Bore Piston Kits

Polaris Sportsman 850 Scrambler 2 x Namura .040 Over Bore Piston Kits

NOW $482.00
Or 4 interest-free payments of $120.50
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Description:
Piston kits rated for 0.040 overbore to restore compression, boost performance, and support reliable power in Sportsman 850 Scrambler builds.

Features:
- Designed for Polaris Sportsman 850
- 0.040 oversize for increased displacement
- Fits stock or upgraded engines for enhanced durability

Includes:
2 x Namura .040 Over Bore Piston Kits for Polaris Sportsman 850 Scrambler

Fits Models:
Polaris Sportsman 850

Model Years:
[omit if not available]

Submodels:
All

Engine Options:
4-Stroke Twin

Namura .040 Over Bore Piston Kits for Polaris Sportsman 850 Scrambler

Namura piston, Polaris, Sportsman 850, Scrambler, overbore, engine internals

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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