MSD RPM Modules 5800 Each#MSD11531 6551310 use a 600-750 cfm vacuum

use a 600-750 cfm vacuum secondary or double pumper carb

quadruple calibrations with 0 - 300 psi

All this is packed in a neatly organised case that includes a removable accessory tray

ZDDP Enhanced: Yes

Nut Type:  CN11 Fig 1

MSD RPM Modules 5800 Each#MSD11531 6551310 use a 600-750 cfm vacuumMSD is an industry leading manufacturing of performance ignitions. They have a product catalog that covers a vehicles complete ignition systems and also offer EFI solutions. Specifications : Part Type: Ignition RPM Module Kits Product Line: MSD RPM Modules RPM Module Range: 5,800 rpm Quantity: Each Tune your rpm activated MSD control to your application with one of these MSD rpm module kits.