ESTER TECH 4+ OFF ROAD  is a fully synthetic 4-stroke engine oil, which contains the very latest Ester Tech additive system and is an extremely competitively priced 100% synthetic product.  ESTER TECH 4+ OFF ROAD  is available in 10w/40, 10w/50 and 10w/60 in 1 litre & 4 litre variants. ESTER TECH® is the next step in additive technology, combined with the latest group 5 fully synthetic base oils, these new products meet and exceed the latest API SN and JASO MA2 specifications