A copper glass seal joins the insulator, terminal post, and center electrode to provide a tight leak-proof seal. Cold-formed steel shell with precision-rolled thread and integrated terminal posts for added strength. Multi-rib insulation reduces the risk of "flashover". Resistance reduces radio frequency interference (RFI) and electrode erosion Full copper core electrode provides better performance in all conditions.

Autolite Spark Plug 437 Non-Resistance, introduced since the introduction of Autolite automotive aftermarket and original equipment manufacturers, has been a brand offering the highest quality ignition products. As our spark plug and ignition wire set includes coil-on-plug, Autolite brand products are the perfect choice for ignition in all your vehicles, no matter how you install them. Autolite spark plug 437 non-resistance feature. Product Type: Non-Resistive Thermal Range Chart Position: C8 HEX: 13/16" Reach: 7/16" Device: Non-Resistive Resistor/Non-Resistor/Sheet: Gasket Thread Diameter: 14mm Tip: Power


Manufacturer: ‎FRAM
Brand: ‎FRAM
Model name: ‎437-4PK
Product size: ‎2.54 x 2.54 x 8.59 cm; 226.8 g
Product Model Number: 437-4PK
Discontinued by Manufacturer: Yes
Product Dimensions Depth x Width x Height: 25 x 25 x 86 mm
Product Weight: 226 g