- The only plugs you can buy with exotic platinum-rhodium alloy coils
- Thunderbolt elements glow hotter, start engines faster
- Best idle performance of any brand of glow plug
- Best transition to full throttle
- Best plug life of any brand
- Coils are welded (not staked) to the plug body for greatest
dependability
- Coils are triple checked for continuity and integrity
- Solid machined idle bars are welded on and will not come off
- Patented Bellville washer applied with multi-ton press to center
electrode, seals against leakage past stem
- Space age insulator ring surrounds center electrode further sealing
against leaks
- Copper compression washer seals against any possible leaks past the
precision-cut threads
- Electroless nickel plating or black anodized finish on plug exterior
prevents rust, gives long-lasting luster
- Individually packed in blister cards to prevent coil damage from
other glow plug stems
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