MSD - The Rotor is based on MSD's popular PN 8467 Race Rotor. 5 in ID - 7

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

25 in Deep - Aluminum - Natural - 2-Piece Seal - Small Block Chevy - Lefthander / Port City Asphalt Late Model - Each

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

Pressure Sending Unit - 1/8 in NPT Male Thread - 0-15 psi - Brass - Each

Helmet Shield - SE07 - Anti-Fog - Dual Pane - Mirrored Silver - HP7-EVO-III / RS7-CARBON / RS7-K / RS7-K-CARBON / RS7-K-STAMINA / RS7-PRO / RS7-PRO-STAMINA / RS7C LTWT (HANS) SA20 / RS7SC LTWT (HANS) SA2020 Model Helmets - Each

MSD - The Rotor is based on MSD's popular PN 8467 Race Rotor. 5 in ID - 7When 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!