MSD 8421 Rotor Assembly, Adjustable

MSD 8421 Rotor Assembly, Adjustable

• Ideal when Atomic TBI is controlling the timing.
• Rotor phasing can be adjusted.

Rotor assembly for a Chevy v8 cap-a-dapt. The cap and rotor of any ignition system must be considered maintenance items. Just as you change the oil and filter of your car, you should always replace the cap and rotor as a set. To make things easy, we now offer these cap and rotor replacement kits.