It contains an Anti Wear package of FULL ZINC (exceeding 2200 ppm levels) for ultimate engine wear protection. Have a highly strung performance engine or push your car regularly to its absolute limits? Penrite 10 Tenths is Penrite's premium engine oil range, designed to offer the best of the best when it comes to performance and protection in extreme and high-demand applications such as motorsport or spirited street driving. The race-proven 10 Tenths formula is not just limited to engine oil, the Penrite 10 Tenths range also consists of ATF, coolant, brake fluid, additives and more all with the same goal of protecting engines when pushed to their limits. Penrite 10 Tenths oil is blended with 100% synthetic base oils and features a wealth of additive packs, zinc and shear-free technology to offer the highest level of protection in the harshest level of driving conditions. With real-world testing in extreme race track and other motorsport applications, Penrite have ensured that their 10 Tenths formulas offer the highest levels of protection and performance for competition use and high performance on-off road machines. From humble begginings in Melbourne, Australia in the 1920s, Penrite are one of the most recognisable lubrications suppliers and remain to be Australian made and owned to this day. With a wealth of lubrication solutions to suit all types of car, truck, bike and various other machinery, Penrite have the fluids to get your vehicle running smoothly, reliably and cleanly. Penrite oils have been tested, refined and perfected with lab testing and real-world circumstances which sees their oils pushed to their absolute limits all with the goal to look after your engine. Penrite also offer a range of gear oils, transmission fluids, engine additives and so much more.