|These new rear line kits are designed for 1970-81 2nd generation
F-body cars (Camaro and Firebird) the connect to the factory union on the
rear end and are used with converting to disc brakes. They attach at the
leaf spring perch by simply drilling a ¼" hole on each perch.
Direct fit to traditional 10/12 bolt GM rears and perches, adaptable to
non GM assemblies as well with slight modification.