For Standard 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.

Works great in racing applications where rich air/fuel conditions are required.

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.

Fits '99-'17 Twin Cam-equipped models, and '86-'22 Evolution Sportster® 883, 1100 and 1200 models.

In the Box: 2 spark plugs