MSD - RPM Module Kits include five modules in 200 rpm increments. 483 in Diameter - Steel

483 in Diameter - Steel Shaft Guide Included - Steel - Big Block Chevy - Each

0-liter engine is manufactured using durable 409 stainless steel throughout and features 3

Throttle Body Adapter - Aluminum - Black Powder Coat - Edelbrock XTS Intake to Ford Godzilla - Each

450 Gear Set - In-Line - Reverse Rotation - 8 AN Female Inlet - 8 AN Female Outlet - 6 AN Female Accessory Outlets - Aluminum - Black Anodized - Gas / Methanol / E85 - Each

MSD - RPM Module Kits include five modules in 200 rpm increments. 483 in Diameter - SteelEach kit is within a 1,000 rpm range. For example, the PN 8745 is supplied with: 5,000, 5,200, 5,400, 5,600, 5,800 modules.