GTOSH2 1000HP 1-Piece Aluminum Driveshaft.   Now with a direct fit rear flange, eliminates the billet aluminum plate !!!!! 2004 GTO ONLY The 3.5" aluminum single piece driveshaft is a direct...

GTOSH2 1000HP 1-Piece Aluminum DriveshaftNow with a direct fit rear flange, eliminates the billet aluminum adapter plate!!!!!The 3.5" aluminum single piece driveshaft is a direct bolt-on system. Most...

04-06 GTO 3.46 Rear Differential Rear End Independent Rear Suspension, USED Picture for reference only. Picture can be sent of the actual on

Rear Gear Install Kit, 2004-2006 GTO, Overhaul Master Kit.

04-06 GTO 3.70 Ring & Pinion Gear, designed for 2004-2006 GTO IRS only. Motive Gear is a manufacturing industry leader in professional quality, high performance ring and pinion sets. The superior...

04-06 GTO 3.90 Ring & Pinion Gear, designed for 2004-2006 GTO IRS only. Motive Gear is a manufacturing industry leader in professional quality, high performance ring and pinion sets. The superior...

GM Synthetic Axle Lubricant SAE 75W-90 New Grape Scent 32 oz. Oil Weight: 75W90 Limited Slip Additive: No Gear Lube Volume: 32 oz. Synthetic: Yes

Motorcraft Additive Friction Modifier 4fl. oz. (118 mL) Intended for use on certain slip differentials to reduce hypoid gear noise levels. Flat Rate Ground Shipping in the US 48 States only

Lucas Oil / Heavy Duty Gear Oil SAE 80W-90 32 oz. Oil Weight: 80W90 Limited Slip Additive: Yes Gear Lube Volume: 1 qt. Synthetic: No