AST Suspension 5200 Series Coilovers - 2003-2008 BMW Z4 2.5i Coupe/Convertible (E85/E86) helper-springs For most daily-driven Infiniti M56

For most daily-driven Infiniti M56 builds

shaped and case hardened washers on your 1977 Ford F-150 XLT (F-Series) to suit the rigors wear and tear loads on sway bar link washers

1990 Isuzu Trooper S (UBS)

2011 Acura TSX (CU2)

1983 Lincoln Mark VI Bill Blass

AST Suspension 5200 Series Coilovers - 2003-2008 BMW Z4 2.5i Coupe/Convertible (E85/E86) helper-springs For most daily-driven Infiniti M56The 5200 Series for the 2003 2008 BMW Z4 2. 5i Coupe Convertible (E85 E86) 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