Model Number: P,L,P,S Series Brand Name: BMT Key Specifications/Special Features: Multi-ribs of insulator eliminates flash-overInsulator made of heat alumina, strong-resistant to heat shock,great mechanic and electric features and super insulationNickel-plated housing prevents oxidation, corrosion, heatcrimping process ensures absolute gas-tight fitInner sealing with conductive glass ensures fine conductivityand sealingMultilayer gaskets are elastically strong and reliable insealing

Copper core electrode prevents oxidation and corrosion, niceelectric, heat conductivity and long spark plug servicelifespan