ProPower with 18% EDL2 plus SICAL. Similar to TechPower but with 3% more EDL2. For engines where the manufactuer specifies 18% oil. Suitable for 2 & 4 stroke engines and the same models as TechPower. The amazing new SICAL system enables noticeable power increases, reduced head temperatures, uncritical needle settings and prolonged power runs amongst many other things. This IS the ultimate engineering cocktail that will pamper, protect and performance boost 2 & 4-stroke engines. So, put a SICAL in your tank next time round!