Home Polaris Sportsman 550 Namura .020 Over Bore Piston Kit 97.1mm (2009–2014)

Polaris Sportsman 550 Namura .020 Over Bore Piston Kit 97.1mm (2009–2014)

NOW $335.00
Or 4 interest-free payments of $83.75
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Description:
Namura .020 over bore piston kit for Polaris Sportsman 550 engines to restore compression and performance. Designed for reliable operation, improved power delivery, and durability in mid-size ATV applications. Compatible with 2009-2014 544cc twin EFI layouts.

Features:
- Specifically for Polaris Sportsman 550 (2009-2014)
- 97.1mm bore size for .020 over increase
- Enhances compression, power, and longevity
- Suited for standard rebuilds and upgraded performance builds

Includes:
1 x Namura .020 Over Bore Piston Kit 97.1mm

Fits Models:
Polaris Sportsman 550

Model Years:
2009 - 2014

Submodels:
All Submodels

Engine Options:
544cc Twin EFI

Namura .020 Bore Piston 97.1mm for Polaris Sportsman 550 (2009-2014)

Namura piston kit, Polaris Sportsman 550, 2009 2014, bore kit, 97.1mm, ATV engine parts, engine rebuild, 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.

Product Enquiry

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