MSD 8421 Distributor Rotor

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MSD designed this 8421 Rotor for their Pro-Billet Distributors. This rotor is adjustable and ideal for Atomic TBI users when controlling the timing! Manufactured from injection mol ded high-quality and voltage insulating Rynite, it also comes with a stainless steel/low-resistance brass terminal that resists carbon tracking. This rotor is designed with performance in mind and comes standard on most MSD Pro-Billet Distributors. Rotor tip screwed on for high RPM useage. MSD 8421 Distributor Rotor Features: Fits MSD Pro-Billet Distributors Rotor Phasing Adjustable Rotor Color: Red Rotor Material: Rynite Contact Terminal Material: Brass Quantity: Sold individually From street cruisers to Top Fuel dragsters, MSD's ignition systems have been the industry leader for over 40 years. MSD continues to push the envelope with cutting edge ignition technology as well as intake manifolds and EFI systems. Show more