Penrite mc-4st 10w-40 full synthetic engine oil Full synthetic base oils (PAO and ESTER) Shear-free motorcycle engine oil protection formula Protection against piston deposits and sludge Better class of oil for maximum heat resistance Offers heat resistance and high performance Excellent clutch slip prevention Suitable for use with wet clutch systems For your motorcycle, quad, or ATV, this complete synthetic 10w 40 PAO & Ester Penrite oil delivers the best protection and efficiency. Despite the worst operating conditions, this engine oil provides outstanding oil film strength and heat resistance while protecting your motorbike from corrosion, oil oxidation, piston deposits, and sludge. It's produced using PAO and Ester complete synthetic base oils, as well as the most cutting-edge technological additives. Why Choose Penrite full synthetic 10w 40 Engine Oil? Penrite MC-4ST Full Synthetic 10W-40 motorcycle engine oil will provide your bike the care it needs. This engine oil, which is made with full synthetic base oils and cutting-edge technology additives, improves heat protection and performance while also guarding against corrosion, oil oxidation, piston deposits, and sludge even in the most extreme operating circumstances. Penrite MC-4ST not only safeguards your engine, but it also protects and lubricates motorcycle gears and delivers optimal clutch slip prevention in engines with wet type clutch systems. The Penrite Brand Penrite Oil is a fully owned Australian firm that produces high-quality oils and lubricants. It offers a complete line of six 4-stroke oils with full PAO, Ester Synthetic, Semi-Synthetic, and Mineral Engine Oil technologies. The business makes a concerted effort to decrease emissions by employing environmentally friendly and sustainable production, storage, and delivery methods. It produces high-quality goods with little environmental effect. Penrite 4-stroke motorcycle oil is used by a number of racing teams, notably Penrite Honda Racing, which competes in the Australian MX Nations and Supercross championships, as well as Honda Australia's factory off-road squad.