Home Polaris 330 4-Stroke ATVs Namura / .040 Over Bore / Piston & Gasket

Polaris 330 4-Stroke ATVs Namura / .040 Over Bore / Piston & Gasket

NOW $412.50
Or 4 interest-free payments of $103.12
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 oversize piston kit with .040 overbore for Polaris 330 4-Stroke ATVs.
Enhances displacement and sealing for reliable performance and rebuilds.

Features:
- Designed for Polaris 330 4-Stroke engines
- .040 overbore for increased compression
- Includes piston, rings, and gaskets for kit install
- Compatible with common 330cc ATV platforms

Includes:
- 1 x Piston
- 1 x Ring Set
- 1 x Gasket Kit

Fits Models:
- Polaris 330 4-Stroke ATVs

Submodels:
- Polaris Sportsman/Trail Boss 330 4-Stroke variants

Engine Options:
- 330cc 4-Stroke

Namura .040 Over Bore Piston & Gasket for Polaris 330 4-Stroke ATVs

namura piston, overbore, 330, polaris, atv, gasket kit, 4-stroke

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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