Autolite AR33 Racing Spark Plug with 18 mm Thread and Tapered Seat

The Autolite AR33 racing spark plug features a precise 18 mm thread and a tapered seat design, engineered for high-performance applications. Constructed with a non-resistor configuration, this spark plug ensures optimal ignition efficiency and reliable spark delivery in racing engines. Its compact size and durable materials make it suitable for demanding motorsports environments, providing consistent performance under high-stress conditions. Designed to fit various racing engines, the AR33 is an essential component for enhancing engine responsiveness and power output in competitive settings.

Features:

• Thread Size: 18 mm for secure fitment in high-performance engines

• Reach: 0.460 inches for optimal combustion chamber compatibility

• Seat Type: Tapered seat for reliable sealing and consistent performance

• Resistor Type: Non-resistor design to maximize spark energy

• Application: Suitable for racing engines requiring durable and efficient spark plugs