Bilstein PSS9 Coilovers Audi S4 (B5) Mazda StreetLite Flywheels are recommended for

StreetLite Flywheels are recommended for Street Use

Make sure to check your wheels for clearance before you order these

The Turbo XS front mount intercooler for the Mitsubishi Evolution 8 & 9 uses a super strong bar and plate core for maximum performance and durability

AEM's Universal Adjustable Fuel Pressure Regulator is capable of supporting enough fuel flow for engines putting out up to 1

All necessary hardware and detailed instructions are included to simplify installation

Bilstein PSS9 Coilovers Audi S4 (B5) Mazda StreetLite Flywheels are recommended forUtilizing Bilsteins monotube shock absorber design for heat dissipation and ride control, the PSS9 Coilover System for the Audi S4 (B5) adds a matched performance spring and threaded ride height adjuster to provide a complete suspension system for a vehicle. The fully adjustable monotube gas shock absorbers offer nine precise compression and rebound settings, from comfort to competition. The front and rear progressive rate springs allow for the