Zenith Adjustable Main Jet Carburetor Part For Wisconsin S8D S8BD & Farmall Ford Tractors – C71-21

If you're tinkering with an old tractor, especially a Farmall or Ford, and you need that carburetor to run just right—this Zenith adjustable main jet is gonna be your best friend.

It's compatible with Wisconsin engines like the S8D and S8BD, plus models like 12982, L63AN, S1, Z89.

The part number is C71-21, and it's a genuine Zenith piece.

Brand new, still in the original packaging, never used.

It's a carburetor part, so make sure your setup matches before you order.

No UPC, but who needs one when you've got the MPN?

This little guy will help you fine-tune that fuel mix and keep your equipment running smooth.

Whether you're restoring or just maintaining, grab this and get back to work.