REAL PERFORMANCE. REAL VALUE.

Every car is different.  So is every driver.  Whether you need a reliable set of copper replacement spark plugs, or are looking to upgrade to peak performance, AutoLite has you covered.  

​Copper

• Guaranteed to deliver quick starts, good fuel economy and smooth acceleration
• Copper core center electrode
• High nickle alloy center
• Leak-proof
• Multi-rib insulator
• High alumina ceramic

• Platinum center wire firing tip
• Super conductive Yttrium enhanced ground electrode
• Full platinum tip
• leak-proof

​Platinum

Double Platinum

​​

• Platinum-to-Platinum firing
• Yttrium enhanced ground electrode
• Platinum enhanced high nickle alloy side electrode
• Platinum tip
• Optimum performance and longer fuel economy

​

• More focused ignition and better durability
• Iridium enhanced 0.6mm finewire design
• Platinum protected ground wire
• V-trimmed ground electrode

​Iridium XP

High-Thread Pro

• OE Design for Ford V3 Engines
• 10mm space with 14 mm durability
• Better heat transfer
• Finewire design for more focused power
• High strength shell
• Ceramic body and nickle-plated shell

​

• Excellent coverage for diesel engines
• High intensity concentrated heat

​Glow Plugs

​Racing

​

• Yttrium-Enhanced Alloy for up to 8% reduction in sidewire temperature
• Cut back ground electrode for better ignitability
• Anti-corrosive nickle plating

• Copper-glass seal bonds insulator
• Multi-rib insulator
• One-piece terminal post
• Resistor reduces RFI and electrode erosion
• Cold-formed steel shell
• Full copper core electrode

​Small Engine