Livernois has new main studs for 2011 Mustang GT that they say are better suited for high-horsepower applications such as boosted engines, compared to the stock ones.

Official Release:

Ford 5.0L Modular Main Stud Kit for 2011 Mustang GT

• Manufactured by ARP exclusively for Livernois Motorsports, these main studs are vastly superior to stock components and a must for any high-horsepower application.
• The kit includes studs made from ARP 2000 material, nuts, washers and special adapter for the oil pick up tube. Black oxide finish for corrosion resistance.
• Retail $299.99
• Manufactured by ARP exclusively for Livernois Motorsports.
• The kit includes studs made from ARP 2000 material, nuts, washers and special adapter for the oil pick-up tube.
• Black-oxide finish for corrosion resistance.