AST Suspension 5300 Series Coilovers - 1992-1994 Porsche 911 Carrera RS/RSR 3.8 (964) CC If you've outgrown entry-level lowering

If you've outgrown entry-level lowering springs and want a real coilover system that rewards a harder-driven CLS

2012 Honda Civic Si (FB4)

Worn Front Control Arm Bushings on your 1989-1997 Ford Aerostar XLT Plus (VN1) have a huge influence on vehicle stability

the Pro Plus is the system that finally lets you have both

AST Suspension 5300 Series Coilovers - 1992-1994 Porsche 911 Carrera RS/RSR 3.8 (964) CC If you've outgrown entry-level loweringFor the best performance on the track, AST Suspension designed the Competition 3 way adjustable series to fit the 1992 1994 Porsche 911 Carrera RS RSR 3. 8 (964) The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut. The high speed compression is adjustable in 12 positions and the low speed compression is adjustable in 14 positions. Both compression adjustments are made using an external canister. All adjusters work