# All Balls Racing 89-92 Polaris Big Boss 250 4x6 Crank Shaft Bearing Kit

All Balls Racing 89-92 Polaris Big Boss 250 4x6 Crank Shaft Bearing Kit

-   Double lip seals with PTFE contact area tolerate dry start conditions
-   Koyo precision crank bearings
-   Less journal wear

This Part Fits:

Year

Make

Model

Submodel

1989-1992

Polaris

Big Boss 250 4x6

Base

1991-1992

Polaris

Big Boss 250 6x6

Base

1985-1986

Polaris

Scrambler 250

Base

1990-1992

Polaris

Trail Blazer 250

Base

1988-1992

Polaris

Trail Boss 250 2x4

Base

1987-1992

Polaris

Trail Boss 250 4x4

Base

## Details

- **Price:** 166.95 CAD
- **Vendor:** All Balls Racing
- **Type:** Bearings

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 166.95 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/all-balls-racing-89-92-polaris-big-boss-250-4x6-crank-shaft-bearing-kit)
> Updated: 2026-07-18