ACCEL HP Copper Spark Plug - 14 mm Thread - 1 in R - Tapered Seat - Resistor - Set of 6 578-6 BR4002 designed for unparalleled repeatability

designed for unparalleled repeatability

1480 to SPL55 Series

but the degree of accuracy is dependent upon the tool

Bolt Threads Are Coated w/Threadlocker

Power Module

ACCEL HP Copper Spark Plug - 14 mm Thread - 1 in R - Tapered Seat - Resistor - Set of 6 578-6 BR4002 designed for unparalleled repeatabilityFor more than 40 years, ACCEL has been a leader in performance fuel and ignition systems, proving itself on the racetracks and drag strips of the world ? and on the street. With an ever expanding line of SuperCoils and all the spark plug wires, tune up kits, and fuel injectors hot rodders have trusted and relied on for years, ACCEL is constantly developing innovative new products designed to push power, speed, and performance to match advancements in