Must be used with an msd ignition control.
Msd cap adapt for chevy.
This large cap spaces the spark plug terminals farther apart which lessens the chances of cross fire and ionization occurring.
The kits include a high quality cap with brass terminals a rotor and a cap spacer.
All of the msd distributors are phased at the factory but if you are running a multi step retard or timing controller having the ability to adjust the rotor phasing is beneficial.
These larger caps from msd have hei style posts an adjustable rotor to allow proper phasing chevy and mallory yl only and wider post spacing to prevent crossfire and ionization.
Nylon pads ensure smooth operation of the advance weights.
Adapts a large style cap onto your msd distributor.
The rotor is injection molded out of rynite for incredible strength and resistance to spark.
Spark plug terminals.
Order ships free when this item is included and exceeds 99.
Supplied with an hei style distributor cap and rotor accepts cap a dapts o ring seals can be added to modified blocks to improve oil pressure control.
Two with a fixed rotor and another with an adjustable two piece rotor.
Special oil tract improves lubrication to the distributor and cam gear.
Three cap a dapt are available.
Find msd cap a dapts 8441 and get free shipping on orders over 99 at summit racing.
Msd 8420 cap a dapt kit for chevy v8 made by msd for as low as 76 31.
The two piece rotor allows you to adjust the rotor tip to cap terminal alignment so you can adjust the rotor phasing.
Thick vanes are incorporated to stir up the air in the cap for even more ionization prevention.