Iridium Power Gap 0.027 Iridium Power Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
1978 John Deere Spitfire 340 equipped with -L U/K
Iridium Power Gap 0.027 Iridium Power Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)