ALL-WEATHER EXTENSIONS
for 3/4"-20 SPARK PLUGS. . .
BG, STITT & CHAMPION

Diagram of All-Weather Extensions

Model Number "L" Length Male Terminal Female Terminal
M55 -1E 5.500" -1 -E
M55 -2E 5.500" -2 -E
M55 -1S 5.500" -1 -S
M55 -2S 5.500" -2 -S
M80 -1E 8.000" -1 -E
M80 -2E 8.000" -2 -E
M80 -1S 8.000" -1 -S
M80 -2S 8.000" -2 -S
M100-1E 10.000" -1 -E
M100-2E 10.000" -2 -E
M100-1S 10.000" -1 -S
M100-2S 10.000" -2 -S
M120-1E 12.000" -1 -E
M120-2E 12.000" -2 -E
M120-1S 12.000" -1 -S
M120-2S 12.000" -2 -S
M180-1E 18.000" -1 -E
M180-2E 18.000" -2 -E
M180-1S 18.000" -1 -S
M180-2S 18.000" -2 -S
*M200-2S 20.000" -2 -S
*M240-2S 24.000" -2 -S
  • Available with either "Teflon®" (for models M55, M80) or "CERAMIC" (all models) insulator. Temperatures are such in large turbocharged engines that ceramic should be specified. Specify a ceramic insulator by adding suffix "C" to model number. (Example: M55-1EC)
  • Available with "LONG" or "STANDARD" male terminal:
    • Specify "LONG" male terminal (-1 Terminal) when connecting to 3/4"-20 spark plugs with extended terminal wells; such as Champion Spark Plug RHW77N or RHW80N.
    • Specify "STANDARD" male terminal (-2 Terminal) when connecting to 3/4"-20 spark plugs with standard terminal wells; such as BG RB118SD, RBH485SD, or Champion RHM77N, RHM83N, RHM85G.
  • Available with "EXTENDED" or "STANDARD" female terminal:
    • Specify "EXTENDED" female terminal (-E Terminal) when connecting to leads with long reach terminals; such as BG 21143 or when connecting to coil adapters with long male terminals.
    • Specify "STANDARD" female terminal (-S Terminal) when connecting to leads with standard terminal connectors; such as BG P/N 21011, or when connecting to coil adapters with standard male terminal.
  • Some repair components are available - please consult factory for availability.
  • Proper installation torque : 10-25 ft.-lb.
*Ceramic model only.

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