The 38-series encompasses various vehicle-specific sets. For example: 38-1961MPG Go to product viewer dialog for this item.
Based on the details provided, your request appears to refer to the Granatelli Motor Sports (GMS) MPG Plus Spark Plug Wire Go to product viewer dialog for this item. HMM Gracel Set 38 Part 1 Mpg part
Provides a stable path for current, which Granatelli claims leads to a "hotter" spark for more efficient combustion. 2. Performance and Efficiency Gains The 38-series encompasses various vehicle-specific sets
The "MPG" designation in the part number refers to the product's focus on fuel economy. HMM Gracel Set 38 Part 1 Mpg part