Mopar Big Block Rear Main Seal Retainer Kit

Billet rear main seal retainer for all 383 / 400 / 413 / 426 / 440 Mopar engines.

Direct replacement for Mopar Performance P4529732 and factory units Completely CNC machined in house from heat treated T-6 6061 billet bar stock for increased rigidity and seal retention over stock units.

Complete kit: one billet retainer, 2 grade 8 attaching bolts, 2 studs, nuts and washers for the oil pan, and a rear main seal set