Autolite Copper spark plugs deliver quick starts, good fuel economy and smooth acceleration.

Product Features:

• One-Piece terminal stud provides a reliable high voltage electrical connection
• High alumina multi-rib insulator helps prevent flash-over which can lead to misfires
• Heat-fused glass composite resistor center seal provides high performance EMI noise suppression and a 100 percent leak-proof seal
• Solid copper core center electrode provides optimal thermal and electrical conductivity for better performance in all driving conditions
• High nickel alloy side electrode resists electrical and chemical wear providing excellent durability
• 2 year limited warranty