Home Honda TRX400EX / TRX400X Namura 0.020 Over Bore Piston Kit (2006–2008)

Honda TRX400EX / TRX400X Namura 0.020 Over Bore Piston Kit (2006–2008)

NOW $329.18
Or 4 interest-free payments of $82.29
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Description:
A high-quality piston kit for 2006-2008 Honda TRX400EX/TRX400X to increase displacement slightly for better compression and performance, while preserving reliability and fitment.

Features:
- Designed for Honda TRX400EX/TRX400X 2006-2008
- 0.020 over bore for improved power and throttle response
- Includes piston kit components for straightforward installation

Includes:
- 1 x Namura 0.020 over bore piston kit (for Honda TRX400EX/TRX400X)

Fits Models:
- Honda TRX400EX
- Honda TRX400X

Model Years:
- 2006 - 2008

Submodels:
- TRX400EX
- TRX400X

Engine Options:
- 4-stroke, single-cylinder, 440cc class

Namura 0.020 Over Bore Piston Kit for Honda TRX400EX/TRX400X (2006–2008)

Namura, piston kit, Honda TRX400EX, TRX400X, 0.020 over, 2006-2008, 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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