MSD Ignition Coil Wire Feed-Thru Firewall Red Each#MSD8211 6455280 906 in SAE/Metric/TORX Metric Fastener

906 in SAE/Metric/TORX Metric Fastener size 10mm x 11 mm Drive type 12 Point

1mm Hole Size

11/16" Hand Reamer 93mm F/L x 188mm Overall Length

5 x 25 Metric Coarse 25 Pieces Zinc Plated Hex Bolts & Nuts

Titex 10mm F1352 Chucking Reamer Flute length 38mm Overall length 133mm

MSD Ignition Coil Wire Feed-Thru Firewall Red Each#MSD8211 6455280 906 in SAE/Metric/TORX Metric FastenerMSD designed these firewall feed thrus to prevent voltage leaks in passenger compartment mounted coil applications. Made from Rynite and nylon, they provide a 1 2 in. of insulation to ensure that the coil's spark reaches the distributor. They mount in a 1 in. diameter hole directly to the firewall and have high tension towers on each side, connected through a brass rod for full spark transfer. Features: Absolutely the best way to route spark plug wire