10W-30 is a favourite for older engines, American muscle cars and many motorcycles — enough body for looser tolerances, with easier cold starting than a straight 30 oil.We stock Millers Classic Pistoneeze 10W-30 for vintage and classic engines, Classic Oils Muscle Car 10W-30 blended for V8s, and ZFS 4T 10W-30 for bikes with wet clutches. All in Irish stock with free delivery over €150 and same-day dispatch before 2pm.
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Millers ZFS 4T 10W-30 is a fully synthetic 4-stroke motorcycle engine oil for road and track use. It meets JASO MA2 for dependable wet-clutch performance and suits motorcycle, scooter and ATV engines and transmissions, whether air- or water-cooled. Gives high-temperature endurance, strong valve-train wear protection and excellent engine cleanliness.
Millers Classic Pistoneeze 10W-30 is a moderate-detergent, semi-synthetic multigrade engine oil for classic cars with modern-type filtration. High in ZDDP (zinc/phosphorus) anti-wear additive, it gives excellent cold flow and strong protection for older engines and flat-tappet valvetrains.
Classic Muscle Car 10W-30 is a low viscosity multigrade engine oil, suitable for many American V8’s of the 1960’s and 70’s.
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