D2 Racing SP Lowering Springs (D-SP-HN-25-5) 4011 high RPM engines or run

high RPM engines or run nitrous oxide are aware of the compromises that come with using inductive coils instead of converting to a Capacitive Discharge Ignition system (CDI)

Primary inductance is crucial as it determines the amount of charge the coil can store before firing

9″ of drop and all the versatility of air

where it can take in cooler

D2 Racing SP Lowering Springs (D-SP-HN-25-5) 4011 high RPM engines or runD2 PRO Series lowering springs optimize and improve handling characteristics by offering a reduction in ride height while maintaining exceptional ride quality through the use of a progressive rate spring. All of our springs come with a Lifetime Warranty and are manufactured of 55 chrome silicon steel in an ISO 9001 and TUV approved facility. D2 Racing PRO Series lowering springs have been designed to give your car superior handling with an aggressive