acceptable quality is often factored by cost and availibiliy.the coil pack is an expensive item but i have invariably found that you get what you pay for with them i.e. if you need a washing machine and a hoover or electrolux costs 4oo $and a Beko costs 200.you can buy the beko but i think you will agree that the trade named and properly approved will a.last longer .b .less likely to breakdown .willl do wahtit says on the Pack really so its really a no brainer get the best quality branded coilpacks and trouble free motoring .s