These bolts and lock washers are used to fasten your new K&N air filters to your HS2 carburetors. 1 kit is enough for 1 car (2 filters).

If you need to buy a set of K&N air filters, you can get them by clicking here.

If you need to buy a brand new set of HS2 carburetors, we offer those as well! Order by clicking here.