Pay in 4 interest-free payments
Polaris 570 Sportsman, RZR & Ranger Namura .040 Over Bore Piston Kit
Description:
Namura .040 over bore piston kit designed for Polaris 570 models to restore compression and performance after rebuilds. Includes all necessary pistons, rings, pins, and clips for a complete installation.
Features:
- Designed for Polaris 570 models
- .040” over bore for increased displacement
- Includes 2 pistons, rings, pins, and snap rings
- Improves compression, torque, and throttle response
- Suitable for Sportsman 570, RZR 570, and Ranger 570
Includes:
2 x Namura .040 over bore pistons with rings, pins, and clips
Fits Models:
Polaris Sportsman 570, Polaris RZR 570, Polaris Ranger 570
Model Years:
(omit if unavailable)
Submodels:
Sportsman 570, RZR 570, Ranger 570
Engine Options:
Polaris 570cc Twin
Namura .040 over Bore Piston Kit for Polaris 570 Sportsman/RZR/Ranger
Namura piston kit, Polaris 570, Sportsman 570, RZR 570, Ranger 570, overbore, engine rebuild, performance upgrades
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.