Firewall Feed-Thru by MSD®. Firewall Feed-Thru. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.
- Absolutely the best way to route spark plug wire through the firewall
- Designed to deliver trouble-free, consistent performance
- Right for your vehicle and lifestyle
- Made from high-quality materials for ultimate durability
- Manufactured to meet or exceed strict quality requirements
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 coil’s spark reaches the distributor.
Founded in 1970 MSD®, LLC is the leader in performance ignition components today's racers need to step up their vehicle's performance. MSD has completely redefined the ignition system by using cutting-edge technology called capacitive discharge (CD) that makes it possible to spark multiple times. The pioneer in research and development of high-performance ignition systems, the company offers the finest parts, including ignition controls, distributors, coils, timing accessories, spark plug wires, and more. Every product that leaves the state-of-the-art MSD factory is rigorously tested to deliver flawless quality and push the performance to the max while improving starting and ensuring smooth idle. That's why MSD is the number one ignition choice for performance fanatics and hardcore racers in NHRA, IHRA, NASCAR, World of Outlaws, DIRT, SCORE, IDBA, and many more.