Lets see those lowering springs! Pontiac G8 Forum Lets see those lowering springs! Pontiac G8 Forum BMR 08 09 Pontiac G8 1.0in Drop Front Lowering Springs Red Walmart.com 2008 Pontiac G8 GT with 19x9.5 Forgestar F14 and Hankook 275x35 on. Sport Spring kits are H&Rs number one selling product. Enhance the look of your 2008 2010 Pontiac G8 with a reduced fender well gap. H&R Sport Springs lower the vehicle center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicles suspension, you cannot go wrong with installing Sport Springs. Fun to drive, H&R Sport Springs are the number one upgrade for your vehicle. Lowers vehicle approximately front 1. 4" front & 1. 3" rear.