Screamin? 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 Stock Compression Applications
Features Ribbed Core Technology (RCT) that provides resistance to fouling
Designed with Original Equipment-style noise suppression to prevent electrical interference with radios and CB communication equipment
Designed for modified engines including performance carburetors, high-flow air cleaners, camshafts, exhaust systems and ignition systems in conjunction with stock compression ratios
Unique style with Screamin? Eagle logo
Sold in pairs
Note
Fits Harley-Davidson '99-later Twin Cam-equipped models, and '86-later Evolution Sportster 883, 1100 and 1200 models. Works great in racing applications where rich air/fuel conditions are required