4x Autolite Non Resistor Spark Plug | OE Replacement | Quick Starts & Smooth Acceleration

Autolite Spark Plugs

NGK R7437-8 Racing Spark Plug | High Performance Iridium Electrode | Heat Range 8 | Resistor | Easy Install

NGK Spark Plugs

Upgrade Your Engine with Autolite Iridium XP Spark Plug | Better Performance, Durability, and Efficiency

Autolite Spark Plugs

Bosch Platinum+4 Spark Plug | Four Yttrium Ground Electrodes | Pre-Gapped for Fast Installation

Bosch Spark Plug