Hi Wes, I'm pleased to assist you. Yes, the ball joints in this control arm are greaseable and come with grease zerk. Use the link below to directly place your order while the part is in stock. Your order will come with a 30-day post-price match guarantee. I hope this helps and enjoy shopping! https://www.carparts.com/control-arm/truedrive/repg281501?can=CPGG4850_CSQA_20240221

Hi Franco, thank you for reaching out. The answer may vary depending on the height of the lift. This item is recommended for the 2003 Hummer H2 with stock height. You can use this link to go back to the item page and continue the order: https://www.carparts.com/control-arm/truedrive/repg281501?can=CPAP3648_20220716 I hope this helps. Enjoy shopping.

Hi, This is for 1999-2000 Chevrolet Silverado 2500 4WD. To check the fitment please use our Vehicle Selector — which can be found towards the top of the homepage as well as all category, search results, and product pages — can help verify if a part will fit your specific application. To enter your application, simply select your vehicle’s year, make, model, sub-model, and engine type and click “Go.” Once your application is selected, you’ll see a “Guaranteed to Fit” badge if the part will fit, and we recommend that you also double-check Your Vehicle Fit Details as well as the Vehicle Fitment Information table on the product page.