Home Polaris 300 XP / Xplorer / Big Boss Namura / 0.020 Over Bore / Piston Kit

Polaris 300 XP / Xplorer / Big Boss Namura / 0.020 Over Bore / Piston Kit

NOW $357.50
Or 4 interest-free payments of $89.37
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 0.020 overbore piston kit for Polaris 300 XP/Xplorer/Big Boss.
Increases displacement for stronger power and torque with a durable build.
Contains piston, rings, pin, and clips for a complete upgrade.

Features:
- Designed for Polaris 300 XP/Xplorer/Big Boss
- 0.020 overbore boosts displacement and performance
- Includes all required components for installation

Includes:
1 x piston kit

Fits Models:
Polaris 300 XP/Xplorer/Big Boss

Submodels:
XP, Xplorer, Big Boss

Engine Options:
300cc

Namura 0.020 Over Bore Piston Kit for Polaris 300 XP/Xplorer/Big Boss

namura, piston kit, Polaris 300, XP, Xplorer, Big Boss, overbore, 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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