BPR9ES Sparkplug

Description

• For imported cars and trucks
• Also for marine, motorcycle, and small engine 14 mm dia., 3/4" Rch, 13/16" Hex
• High-grade alumina silicate ceramic
• Creates a stronger insulator to reduce dielectric punch-through (caused by spark exiting through side of ceramic)
• Cold-rolled threads
• Prevents cross-threading and damage to cylinder heads
• 98% pure copper core
• Increased heat dissipation for reliable starts, prevents spark plug overheating - Trivalent plating, no anti-seize required