MSD Firewall Feed-Thru (Black, Red) 337008 these Lash Caps fit valve

these Lash Caps fit valve stems well and are easily removed

Recess hole size 4 1/2"

Aero Mod I

1969-1970 Jeep J-3800

Import / Universal 4 / 6 / 8-Cylinder

MSD Firewall Feed-Thru (Black, Red) 337008 these Lash Caps fit valveTo prevent voltage leaks in passenger compartment mounted coil installations, MSD designed the Firewall Feed Thru. Molded from Rynite(R) and nylon, the Firewall Feed Thru provides 1 2" of insulation to ensure that the coil's spark reaches the distributor. To prevent voltage leaks in passenger compartment mounted coil installations, MSD designed the Firewall Feed Thru. Molded from rynite a hi dielectric strength material. Features: Absolutely the best