Home Honda Foreman 400 Namura Over Bore Piston & Top End Gasket 86.75mm

Honda Foreman 400 Namura Over Bore Piston & Top End Gasket 86.75mm

NOW $382.20
Or 4 interest-free payments of $95.55
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 overbore piston kit with 86.75mm bore plus top-end gasket for Honda Foreman 400. Increases displacement for more power and improved reliability, ideal for performance or rebuild applications. Compatible with Foreman 400 ATV engines to enhance compression and efficiency.

Features:
- Designed for Honda Foreman 400
- 86.75mm overbore piston kit
- Includes piston and top-end gasket
- Improves torque, power, and engine longevity

Includes:
1 x Namura Over Bore Piston & Top End Gasket 86.75mm for Honda Foreman 400

Fits Models:
Honda Foreman

Model Years:
(n/a)

Submodels:
Foreman 400 series

Engine Options:
400cc engine

Namura Over Bore Piston & Top End Gasket 86.75mm for Honda Foreman 400

namura, overbore piston, top end gasket, 86.75mm, Honda Foreman 400, ATV performance, engine rebuild

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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