Do I need hood pins or a hood latch with this hinge?

This is just the hinge — it attaches your hood to the frame. You'll need your factory latch mechanism and hinges on both sides for the hood to function. If your driver-side hinge is also worn, grab that separately.

Will this hinge work with my existing hood and latch?

Yes. This hinge matches factory geometry, so your OEM hood and latch will align the same way they do now. No adjustment of the latch should be needed.

What's the weight difference compared to the original?

This hinge is built to match OEM weight and balance — no surprise load on your springs or support struts.