Tempest spark plug product features include: Bright nickel plating providing corrosion protection; Proprietary glass center seal and integral resistor for maximum durability and improved spark gap life; Vacuum-cemented center electrode prevents combustion gases from interfering with heat transfer; Un-slotted electrode head which provides consistent contact surface for energy transfer; High-alumina ceramic insulator uses a proprietary glaze material to ensure high mechanical strength and dielectric quality.

Supplied with a 8130-3 Authorised Release Certificate if required