Ester Tech 4+ 10W-40 / 10W-50 is a fully synthetic, superior performance 4-stroke competition engine oil. High-grade base oils combined with the revolutionary Ester Tech additive system guarantee outstanding performance in the following areas, among others:
 ✔ The proportion of esters exceeds 10%
 ✔Advanced base oil and revolutionary Ether Tech additive formula
 ✔ Maintain a strong lubricating oil film under extreme operating conditions
 ✔ Very high and very stable viscosity index
 ✔Excellent anti-wear protection
 ✔Low volatility can reduce fuel consumption
 ✔Mainly long-lasting, fuel-saving, and protective, suitable for general users
 ✔API SM JASO MA2
 A very powerful lubricanting film, even under the most extreme operating conditions
 Maximum engine performance
 A very high and extremely stable viscosity index
 Optimal functioning of the wet clutch
 Accurate and smooth gear-changing
 Superior protection against wear
 Minimum oil consumption as a result of low volatility Ester Tech 4+ 10W-40 has been exclusively developed for modern, high-tech, high to very high performance race and road motorcycles.