# Cometic 89-92 Polaris Big Boss 250 4x6 73.5mm Bore Top End Gasket Kit

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.

-   All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
-   No Additional Sealer Needed

This Part Fits:

Year

Make

Model

Submodel

1989-1992

Polaris

Big Boss 250 4x6

Base

1991-1993

Polaris

Big Boss 250 6x6

Base

1987

Polaris

Cyclone 250X

Base

1985-1986

Polaris

Scrambler 250

Base

1990-2006

Polaris

Trail Blazer 250

Base

1991-1999

Polaris

Trail Boss 250

Base

1988-1993

Polaris

Trail Boss 250 2x4

Base

1987-1993

Polaris

Trail Boss 250 4x4

Base

1985-1988

Polaris

Trail Boss 250R/ES

Base

2000-2002

Polaris

Xplorer 250 4x4

Base

## Details

- **Price:** 59.44 CAD
- **Vendor:** Cometic Gasket
- **Type:** Gasket Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 59.44 CAD | In stock |

## Images

- Photo - Primary
- User 9
- Installation Instructions
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cometic-89-92-polaris-big-boss-250-4x6-73-5mm-bore-top-end-gasket-kit)
> Updated: 2026-06-27