Three Stage Retard Control - 8970 flywheels-flexplates-and-parts Adapter AN Size 6 AN

Adapter AN Size 6 AN MALE Adapter Type Breather Application Universal Brand Earls Emission Code 4 Finish Natural Material Aluminum Product Type Accessory Quantity Per Pkg

Good decibel reduction over open headers

7 V8 1996 - 2001 GMC Savana 3500 350/5

5 V8 1971 Oldsmobile Vista Cruiser 455/7

Part Number: 717822

Three Stage Retard Control - 8970 flywheels-flexplates-and-parts Adapter AN Size 6 ANOverview: The 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,