Package includes new, aluminum master cylinder with large rectangular reservoir, billet aluminum 4 hole or 4 stud adapter and push rod retaining ring.
1 1/32" bore master works with most 2 or 4 wheel disc or drum Mopar passenger car applications. 15/16" bore master for applications requiring maximum line pressure.
Piston is bored to accept manual brake push rod retaining ring. Master is also compatible with power brake boosters.
You can reuse your original manual brake push rod.