MSD - The Rotor is based on MSD's popular PN 8467 Race Rotor. 500 in Range - Chromoly

500 in Range - Chromoly - Black Oxide - Each

Intake Manifold - Torker II Pontiac - Square Bore - Single Plane - Aluminum - Natural - Pontiac V8 - Each

5 in ID - 8 in Length - 225 lb/in Spring Rate - Steel - Blue Powder Coat - Each

Coil Spring - Conventional - 5 in OD - 13 in Length - 350 lb/in Spring Rate - Rear - Steel - Silver Powder Coat - Each

5 in ID - 7 in Length - 800 lb/in Spring Rate - Steel - Blue Powder Coat - Each

MSD - The Rotor is based on MSD's popular PN 8467 Race Rotor. 500 in Range - ChromolyWhen you install EFI on your engine, most systems will require the ignition timing to be advanced for the ECU. This can cause issues with rotor phasing, but the Adjustable Rotor remedies this issue!