MSD - MSD Firewall Feed Thru, Red 375 in D - Single

375 in D - Single Pass - Driver Side Inlet - Passenger Side Outlet - Aluminum - Black Paint - GM A-Body 1968-71 - Each

320 in OD - 0

Air Filter Element - DryFlow - Clamp-On - Conical - 6 in Base - 5-1/8 in Top Diameter - 9-1/4 in Tall - 3 in Flange - Synthetic - Universal - Each

Spark Plug Wire Set - Super Stock - Spiral Core - 8 mm - Yellow - Straight Plug Boots - HEI Style Terminal - Cut-To-Fit - V8 - Kit

Oil Pump - Wet Sump - Internal - High Volume - Standard Pressure - Welded Pickup - 8-1/4 in Deep Pan - Small Block Chevy - Each

MSD - MSD Firewall Feed Thru, Red 375 in D - SingleTo prevent voltage leaks in passenger compartment mounted coil installations, MSD designed the Firewall Feed Thru. Molded from rynite a hi dielectric strength material.