MSD 8211 Firewall Feed Thru

To prevent voltage leaks in passenger compartment mounted coil installations, MSD designed the Firewall Feed-Thru. Molded from Rynite® and nylon, the Firewall Feed-Thru provides 1/2 of insulation to ensure that the coils spark reaches the distributor.

• Absolutely the best way to route spark plug wire through the firewall