Lower resistant wires allow more current to the spark plug. More current = hotter spark = better fuel burn.
This set in particular is made to fit chevy small block engines.  We can also customize your plug wires to certain lengths for big blocks & any other types of engines, or with straight boot.
15 OHM per foot coil wire.
15 OHM per foot plug wires.
Ideal for crate engines.
Lowest resistance of any spark plug wire package on the market.
Wires come complete with double heat shrunk H.E.I. ends along with 100% silicone insulation good to temperatures up to 1200 degrees F.
Dyno testing with a 604 crate motor has shown average gains of 9 hp with this package compared to standard 300 OHM wires from competitors.
For the best results, use with the "Blaster HVC Coil" (SKU: MSD8252)
NOTE: Ground the heads when running these wires.
TIPS WHEN ORDERING: 
H.E.I. ends are what would be on your MSD billet distributor and/or MSD Blaster HVC coil.