Spark Plug 4173/4 Copper

Features:

• Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
• Multi-rib insulator reduces danger of “flash-over”
• One-piece terminal post adds strength
• Resistor reduces radio frequency interference (RFI) and electrode erosion
• Cold-formed steel shell precision rolled threads
• Full copper core electrode provides better performance in all conditions
• Verify all cross reference listings before purchase

Fits:
Honda_ATC110 1979 to 1985
Honda_ATC90 1971 to 1978
Honda_CA160_1966_
Honda_CL160_1966_
Honda_CL175 Scrambler 1968 to 1972
Honda_CL72_1962_
Honda_CL77_1966_
Honda_CT90 1969 to 1979
Honda_SL175 1970 to 1971
Honda_SL90_1969_
Honda_ST90 1973 to 1975