Pay in 4 interest-free payments
PIT PRO DIRT BIKE 54mm S125 Bigbore Engine Rebuild Kit
Description:
Upgrade your PIT PRO DIRT BIKE with the 54mm S125 Engine Rebuild Bigbore Kit. This kit enhances your bike's performance by increasing displacement from 125cc to 138cc, providing more power and torque for an exhilarating ride. Designed for easy installation, it includes all necessary components for a complete rebuild.
Features:
- Specifically designed for PIT PRO DIRT BIKES from 2010-2023
- Boosts engine performance and responsiveness
- Improves acceleration and overall riding experience
- Compatible with various submodels and engine options
54mm S125 Engine Rebuild Bigbore Kit 125cc Upgrade to 138cc PIT PRO DIRT BIKE
Includes: 54mm cylinder, piston, rings, gaskets, and necessary hardware
Fits Models: PIT PRO DIRT BIKE
Model Years: 2010-2023
Submodels: Various PIT PRO models
Engine Options: 125cc to 138cc
Elevate your dirt biking experience with this essential upgrade!
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
Got a question about this product? Need to check fitment for your vehicle? Fill in the form below and we'll get back to you within 24 hours.