1955-57 Chevy Belair Power Disc Brake Conversion Kit, 2" Drop Spindles 8" Single Diaphragm Booster, 4 Wheel Disc Coil Springs 1967-92 Chevy Camaro Pontiac Firebird By moving the instant center

By moving the instant center to a better location

C15 rear multi leaf spring set will restore your rear suspension or lower it to the specified amount without modifications

you will eliminate premature tire wear caused by inability to hold alignment settings

Springs are custom built

1955-57 Chevy Belair Power Disc Brake Conversion Kit, 2" Drop Spindles 8" Single Diaphragm Booster, 4 Wheel Disc Coil Springs 1967-92 Chevy Camaro Pontiac Firebird By moving the instant centerThis power disc brake conversion kit not only upgrades your 1955 57 Chevy Belair to discs, it also lowers the vehicle a full 2" without affecting steering geometry. Includes 8" Single Diaphragm power brake booster kit for added performance and driver feedback. Works with most 14" wheels. Kit comes fully assembled. Note: This kit include Proportion Valve set for 4 wheel Disc, See CBK2 D5557 for 2 Wheel Disc Kits