Description

- Motorsport spark plug with robust design.
- Nickel-yttrium with stamped earth electrode
- Bosch heat range 07
- M14x1.25, 19mm thread length
- 16mm Hex (tool size)
- Suits ~350-400bhp 4-cyl (Methanol)
- Suits ~450-500bhp 20b Rotary Engine

Bosch Heat range: HOT 10-9-8-7-6-5-4-3-2-09-08-07-06-05 COLD