Caltric Drive Chain & Sprocket Kit – Polaris Trail Boss 250 2X4 1986–1987 – Steel 520-120 122 Links

Here’s a complete drive chain and sprocket kit for your vintage Polaris Trail Boss 250 2X4, 1986 and 1987 models.

Both sprockets and chain are made of steel, and it's a non O-ring 520-120 chain, 122 links total.

Brand new from Caltric, part number CH100AA2057.

Direct fit, no universal nonsense—it’s made specifically for those years.

Includes rear sprockets and chain.

Comes with a 90-day warranty.

Made in China.

California Prop 65 warning applies, just so you know.

If you’re restoring or just riding, this kit keeps you moving.