F.A.S.T TRC-2 Retard Controller SPB2 420" OD works well with

420" OD works well with our 7245 dual conical spring in applications with a

Molded seat belt hole trim

50-inch bolt circle using a C4 automatic transmission

Emblem Delete

F.A.S.T TRC-2 Retard Controller SPB2 420" OD works well withCARB E. O. D 225 57 For E6, E6R and E6DSR ignition systems Retard control for performance, race, street, RV and towing applications Sealed unit, suitable for underdash mounting LED light on module comes on whenever retard is commanded Driver adjustable based on engine knock load for towing or track conditions Nitrous, turbo and supercharged on demand retard hook up compatible Boost proportional retard when used with optional boost (MAP) sensor to