When upgrading your standard ignition to the a high out put ignition you will need to upgrade to a better distributor cap and wire set. These are the best wires to match you Pertonix Ignition. The Flame Thrower 8mm MAGx2 wires deliver in more ways than one with dual current paths for reliability and redundancy. Low 500 ohm/foot rating gets more energy to the spark plug. 

Austin Mini (side-entry distributor caps must be replaced with push-in style, DDB106 cap)
Austin Healey Sprite (side-entry distributor caps must be replaced with push-in style, DDB106 cap)
MG Midget 948, 1098, 1275 (side-entry distributor caps must be replaced with push-in style, DDB106 cap)
MGA (side-entry distributor caps must be replaced with push-in style, DDB106 cap)
MGB (side-entry distributor caps must be replaced with push-in style, DDB106 cap)