Original fitment for 750 series Normale models, Spider, Sprint, Berlina & t. i. . With single electrode. These have a white porcelain insulator. These are N. O. S. (New Old Stock) items, some slight discolouration may have occurred at the edges of the porcelain.
 
Part Name: Lodge HlN Spark Plug
Alfastop Product Code: 1IG140
Original Alfa Romeo Part No: 1315.55.412
Model: Giulietta 750 & 101
Quantity Per Car: 4