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Polaris 300 Xplorer Xpress Big Boss 0.040 Over Bore / 75.5mm / Piston Kit
Description:
0.040 over bore kit for Polaris 300 engines. Restores compression and
boosts displacement for improved torque and performance. Includes matched
pistons, rings, and pins for proper fit and longevity.
Features:
- 0.040 over bore for Polaris 300
- Includes pistons, rings, pins for a complete kit
- Compatible with Xplorer Xpress and Big Boss submodels
- Enhances performance and engine longevity
Includes:
2 x Pistons, Rings, Wrist Pins
Fits Models:
Polaris 300 Xplorer Xpress Big Boss
Submodels:
Xplorer Xpress, Big Boss
Engine Options:
Polaris 300
0.040 Bore 75.5mm Piston Kit for Polaris 300 Xplorer Xpress Big Boss
polaris, 0.040 bore, piston kit, Polaris 300, Xplorer Xpress, Big Boss, 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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