Autolite
Autolite 456DP | Spark Plug
Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE...
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Warrantied for 5 years. Consider upgrading to Autolite Iridium XP spark plugs for increased performance. Autolite is an Official NASCAR Performance Partner.
Center Electrode Core Material | Copper |
Center Electrode Design | Standard / Regular |
Center Electrode Tip Material | Platinum |
Drive Size | 5/8" |
Gap- Factory Preset | .044" |
Ground Electrode Tip Material | Platinum |
Insulator Material | Ceramic |
Insulator Type | Extra-Long |
Reach | .708" |
Resistor | Resistor |
Seat Style | Tapered |
Thread Size | 14x1.25 |