Vintage Auto Part: NOS Fan Flame “775” Spark Plug 1921 3.25” Lot of 3

Vintage Auto Part: NOS Fan Flame “775” Spark Plug 1921 4.25”

Vintage Porter Keepskleen 775 Model T Spark Plug 7/8"

BETHLEHEM AVIATION "775" VINTAGE ANTIQUE SPARK PLUG

Vintage Antique Western Giant 775 Spark Plug Auto Gas Engine Tractor

Vintage TWIN FIRE 775 Spark Plug. In Good Condition. 3” 1/2 Long.

2 Vintage Torpedo Reflex Spark Plugs “775” Original Untested 2.5” Long

Antique Fan Flame Spark Plug “775” Yonkers N.Y. 1918 Pat Vintage Spark Plug