FIE
Replacement 4" Cap for MSD/Vertex mags, BLACK or RED
This is a high quality replacement for the standard MSD mag cap or the OXC Vertex with the big ring. Available in RED or BLACK.
Choose RED or BLACK below!
This cap uses the standard MSD blue rotor and fits the regular #8120 black ring.
Also fits Super-Mags using our MSD Cap conversion kit.
The diameter of the terminals on this cap is 4".