O I have my new gears here and I was needing to know. Is this something I can do in my garage or will I need help?
Unless you're knowledgeable on gear swaps... I would definitely recommend professional installation. No one will laugh at you for not doing it yourself. Not many people can get backlash correct. Escpecially if you're jumping to really steep gears like I did by going 3.27 to 4.10... Backlash was a nightmare.
You can get a video on how to do it. If you don't get the backlash right your hear an annoying humming sound that like a really bad hub bearing.you'll need to get all new bearings and a shim kit with gasket. If it's your first swap I'd have it done professionally or have someone who knows show you how.