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