High performance rear springs for all dedion chassis.   Necessary to match increased spring rate torsion bars. Available in combinations of free length and spring rate for uses ranging from hot street to full race.  Free lengths of 10.5.” or 8″ available in rates from 150lb/inch to 500lb/inch in 25#/inch increments. These springs fit standard Alfa upper spring seats, but will not fit standard Alfa lower spring seats,  These springs require Performatek adjustable lower spring seats to mount securely to the car. In addition, these adjustable seats offer a very easy means to adjust rear corner weights for dialing in optimum chassis balance, handling  and grip.
Priced per pair. Contact us for guidance on free length and spring rate.  .