AST Suspension 5200 Series Coilovers - 2005-2012 Porsche 911 3.8 4WD (997) YMM_2005_2011_Mercedes_Benz_M_Class_W164 as these bushings are a

as these bushings are a direct bolt-in upgrade

ensuring your vehicle maintains optimal cooling performance under spirited driving conditions or daily commuting

Enthusiasts seeking to enhance engine bay aesthetics with high-quality materials

H&R Sport Sway Bars increase your suspension's roll stiffness - or its resistance to roll in turns - while maintaining ride comfort and dramatically increasing cornering control

Crafted to provide a subtle drop and improved responsiveness

AST Suspension 5200 Series Coilovers - 2005-2012 Porsche 911 3.8 4WD (997) YMM_2005_2011_Mercedes_Benz_M_Class_W164 as these bushings are aThe 5200 Series for the 2005 2012 Porsche 911 3. 8 4WD (997) are 2 way adjustable shock absorbers which are based upon competition 3 way adjustable shock absorbers. The 5200 shock absorbers are adjustable in compression and rebound. The design of the compression adjuster is an evolution of the compression adjuster we provided for the American Grand Am series for the last few years. The 5200 shock absorbers were designed to achieve a quick and easy set