MSD Three Stage Retard Control - Adjustable RS003C0910 It accommodates the Hellcat headlight

It accommodates the Hellcat headlight air inlet for 2015-2019 Dodge Challenger models only (requires scoop p/n 54-72203-S)

Each part is inspected several times prior to shipping

An oversized bracket arm is supplied that can be cut down to your specs and an L shaped holder is also supplied that can be machined for the 3/4 or 3/8 pick-up

12 Bar Capacity

MSD Three Stage Retard Control - Adjustable RS003C0910 It accommodates the Hellcat headlightThe Three Stage Retard Control allows you to retard your ignition timing in three different stages. You can activate one retard for a nitrous stage and another at top end in high gear for more mph and still have another module left over for dual stage nitrous systems. When activated together, the retard amounts are cumulative so you get the total of the three. For example, if you pull 2, then 4 on the second stage and another 2 at top end, the total