Proflow Distributor Rotor, Heavy-Duty, Red, Adjustable 2 Piece, To Suit Billet Ready To Run, Pro Street Series, Replacement For MSD 84211, Each

Rotor Phasing is the alignment between the rotor tip and the distributor cap terminal when the spark occurs. If the alignment is incorrect, the spark can jump to the next closest terminal or another ground resulting in a misfire and loss of Power. On engines with extreme cylinder pressures, such as

Part number: PFEID913