Home Polaris Big Boss 250 0.060 Over Bore Piston Kit (1989–1993)

Polaris Big Boss 250 0.060 Over Bore Piston Kit (1989–1993)

NOW $292.60
Or 4 interest-free payments of $73.15
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Description:
High-quality 0.060 over bore piston kit for Polaris Big Boss 250 (1989-1993). Restores compression and peak power for rebuilt engines, ideal for performance or maintenance.

Features:
- Designed for Polaris Big Boss 250 (1989-1993)
- Includes piston, rings, wrist pin, and circlips
- Improve compression, power, and reliable operation

Includes:
1 x 0.060 over bore piston kit (piston, rings, wrist pin, circlips)

Fits Models:
Polaris Big Boss 250

Model Years:
1989-1993

Submodels:
All Big Boss 250 submodels

Engine Options:
2-stroke, 250cc

Notes:
Enhances engine durability during rebuilds and performance upgrades

0.060 Over Bore Piston Kit for Polaris Big Boss 250 (1989–1993)

Polaris, Big Boss 250, piston kit, 0.060 over, 1989-1993, ATV engine, 2-stroke, bore kit

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.

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