MSD Three Stage Retard Control - Adjustable RS003C0910 Each part is inspected several

Each part is inspected several times prior to shipping

12 Bar Capacity

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

if not up to the job can cause very premature and severe engine failure

MSD Three Stage Retard Control - Adjustable RS003C0910 Each part is inspected severalThe 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