See more: Spark Plugs
Fits 1975-1984 Shovelhead, 1984-2000 Evolution Big Twin, Ironhead Sportster and S&S SH Series, S&S P-Series, S&S KN-Series, and S&S V-Series 3 1/2", 3 5/8" and 4" bore engines. Also replaces Bosch WR8DC & WR9DC, Champion RN11YC & RN12YC, and NGK BPR4ES & BPR5EA, Brisk LR14YS Silver Series spark plug for High Performance and Drag race applications, dealer 4-pack
Brisk manufactures spark plugs since 1935. They supplied them under brand names as Brita, Cil and PAL. Nowadays the greater part of their production is under private label for the car industry. These premium quality spark plugs are very economically priced.