Top 10 Best Autolite 3924

MAXIMUM PERFORMANCE Every Copper Spark Plug has a full copper core electrode which provides higher thermal conductivity for better performance in all conditions. IMPROVED DURABILITY All Autolite spark plugs are Leak proof and come with a heat fused internal seal for long lasting durability. CONSTRUCTION These replacement spark plugs have a copper-glass seal which bonds the insulator and the terminal post center electrode together. FUEL EFFICIENCY The Autolite copper automotive replacement spark plug are guaranteed to deliver quick starts, better fuel economy and smooth acceleration. AUTOLITE ADVANTAGE Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on our copper plugs for performance and value, backed by decades of experience and passion.

Replacement racing spark plug used by many professional car drivers. Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions. Contains an Yttrium-enhanced alloy to enable up to 8 reduction in sidewire temperature for improved durability and less pre-ignition. Features cut back ground electrode for improved ignitability of flame kernel. Coated in an anti-corrosive nickel plating to prevent rusting.

Sold in packs of 4.

MAXIMUM PERFORMANCE Every Double Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration. Full copper core electrode provides better performance in all conditions. IMPROVED DURABILITY Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer. CONSTRUCTION These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life. high nickel alloy side electrode maintains precise gap. AUTOLITE ADVANTAGE Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plugs needs.

MAXIMUM PERFORMANCE Every Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.. IMPROVED DURABILITY Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer. CONSTRUCTION These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life. FUEL EFFICIENCY The Autolite Platinum automotive replacement spark plug works to optimize engine performance for a longer life and improved fuel economy.. AUTOLITE ADVANTAGE Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plugs needs.

EXTENDED CHANGE INTERVAL The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today. FUEL EFFICIENCY These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption. OPTIMAL PERFORMANCE This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance. AUTOLITE ADVANTAGE Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs. CONSTRUCTION Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.

EXTENDED CHANGE INTERVAL The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today. FUEL EFFICIENCY These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption. OPTIMAL PERFORMANCE This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance. AUTOLITE ADVANTAGE Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs. CONSTRUCTION Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.

Replacement racing spark plug used by many professional car drivers. Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions. Contains an Yttrium-enhanced alloy to enable up to 8 reduction in side wire temperature for improved durability and less pre-ignition. Features cut back ground electrode for improved ignitability of flame kernel. Coated in an anti-corrosive nickel plating to prevent rusting. Fit type Vehicle Specific.

Brand Autolite. Small Engine Spark Plug. Copper Core, Hex 58, Reach 34. Heat Range Chart Location D11. Hex 58. Reach 34. ResistorNon-ResistorSuppressor Suppressor. Seat Gasket. Thread Diameter 14MM. Tip Power.

Replacement racing spark plug used by many professional car drivers. Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions. Contains an Yttrium-enhanced alloy to enable up to 8 reduction in side wire temperature for improved durability and less pre-ignition. Features cut back ground electrode for improved ignitability of flame kernel. Coated in an anti-corrosive nickel plating to prevent rusting. Fit type Vehicle Specific.