Will it fit a 98 Chevy K1500?

Hi ，thanks for your inquiry  ，you need to check shape of your cars headlight . It  will can be used if the shape is right.

How hard are these too install ?

Hi. very easy to install. just open your stock headlight then stick the halo inside headlight . most customer install them by themselves

Will it fit 99

Thank you for your question, yes, it will fit for any years Chevrolet vehicle.

will these fit a 2006 1500hd

sorry, it's not fit,you can have a look for this one: https://www.vividlightbars.com/products/chevy-silverado-03-06-halo-headlight-kits-with-led-2013-x-mini-wireless-dream-color-controller

Will fit 2012?

yes, it fits any year /model chevy vehicle for they are custom lights

Will these fit on a 2016 1500 Silverado?

hi. sorry , it doesnt fit 2016 silverado

Will this fit a 2003 chevy silverado?

Hello, it fits all the Chevrolet Silverado.

Will they fit 98 Chevy k1500?

hi, I am sorry to tell you that it doesn't fit your vehicle.