Rotor Assembly, Adjustable

Adjustable rotor phasing.

PART# 8421

$40.42   Suggested Retail
$36.38   Your Price
Free Shipping on orders over $100*
In Stock  
Add to Wish List


Rotor is adjustable. Ideal for Atomic TBI users when controlling the timing.


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


Emission Code1
Part Number8421


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
We Suggest

    *Free Shipping & Handling only offered to the contiguous US on orders over $100.

    Some parts are not legal for use in California or other states with similar regulations.