Home Yamaha 450 Kodiak Rhino Grizzly Namura Over Bore Top End Kit (2003–2009)

Yamaha 450 Kodiak Rhino Grizzly Namura Over Bore Top End Kit (2003–2009)

NOW $491.15
Or 4 interest-free payments of $122.78
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Description:
Improves displacement and performance for Yamaha 450 ATV engines, designed to fit OEM specs and support enhanced compression and tuning during rebuilds.

Features:
- Fits Yamaha 450 ATV 2003-2009
- Includes top end components for reliable install
- Boosts power and torque with proper calibration

Includes:
1 x Over Bore Top End Kit

Fits Models:
Yamaha

Model Years:
2003-2009

Submodels:
Kodiak, Rhino, Grizzly

Engine Options:
450 cc

Namura Over Bore Top End Kit for Yamaha 450 Kodiak/Rhino/Grizzly (2003-2009)

yamaha, Namura, top end kit, 450, Kodiak, Rhino, Grizzly, ATV engine, 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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