Screamin’ Eagle Performance Spark Plugs High Comp Tier One Shipping The internal piston design

The internal piston design

padded palm to reduce road rattle

Internal sun visor

6" extension (3/8" Drive)

Screamin’ Eagle Performance Spark Plugs High Comp Tier One Shipping The internal piston designScreamin Eagle Performance Spark Plugs feature double platinum coating for superior erosion resistance and extended life. The V trimmed ground electrode reduces shrouding of the flame front to promote flame propagation, and the fine wire center electrode enhances startups and ignitability. For High Compression Applications Feature Ribbed Core Technology (RCT) that provides resistance to fouling Designed with Original Equipment style noise suppression