AST Suspension 5100 Series Coilovers (Includes Front Top Mounts Only) (True Coilover) - 1992-1994 Porsche 911 Carrera RS/RSR 3.8 (964) 2005 Spring rates and shock valving

Spring rates and shock valving were derived from many years of motorsports support

2005 Mazda 6 AWD/FWD (GG3S/GG3P)

2014 BMW X6M (w/ EDC)

2 bushings

AST Suspension 5100 Series Coilovers (Includes Front Top Mounts Only) (True Coilover) - 1992-1994 Porsche 911 Carrera RS/RSR 3.8 (964) 2005 Spring rates and shock valvingThe 5100 Series shock absorbers for the 1992 1994 Porsche 911 Carrera RS RSR 3. 8 (964) utilize inverted upside down technology. The inverted design is race proven technology and produces an extremely strong damper, providing better suspension geometry under heavy lateral and braking loads as seen in a road and track environment. The 5100 Series shock absorbers give your car a better performance than the standard twin tube design. With the 5100 Series