MSD 3717 Iridium Spark Plug
16.35
12mm - 1.0625 in Reach - Tapered Seat - Single Pack;
12mm - 1.0625 in Reach - Tapered Seat - Single Pack;Proprietary plug design inside and out; Designed for use on high performance vehicles that utilize high output ignition systems; Machined electrode increases exposure to the flame to improve combustion; MSD’s proprietary ceramic formula provides the highest dielectric strength; Yttrium ground electrode reduces the chance of pre-ignition; Iridium tip improves cold starts; All spark plugs tested prior to packaging and shipping; Unique insulator design improves spark isolation; Lower voltage Requirements for longer coil life;
- Proprietary plug design inside and out
- Designed for use on high performance vehicles that utilize high output ignition systems
- Machined electrode increases exposure to the flame to improve combustion
- MSD’s proprietary ceramic formula provides the highest dielectric strength
- Yttrium ground electrode reduces the chance of pre-ignition
- Iridium tip improves cold starts
- All spark plugs tested prior to packaging and shipping
- Unique insulator design improves spark isolation
- Lower voltage Requirements for longer coil life