In a head-to-head, 100,000-mile test, AMSOIL Signature Series provided excellent wear protection and kept bearings looking like new.
Auto/Light Truck
Motorcycle
ATV
UTV
Snowmobile
Marine Outboard
PWC
Heavy-Duty
Your bearings shoulder the burden whenever you tow, haul or stomp the gas. AMSOIL delivers powerful protection for bearings and other critical components. An independent lab compared Signature Series head-to-head against a leading competitor in a 100,000-mile test. Signature Series provided far superior wear protection and kept bearings looking like new.* Upgrade to AMSOIL performance and drive with confidence.
~ Daniel Boshears, engine builder and Chief Mechanic at the Wellborn Musclecar Museum
~ Stephen, Foxworth, Miss.
*Testing conducted in an independent lab using AMSOIL Signature Series 5W-30 Synthetic Motor Oil and a leading synthetic-blend 5W-30 motor oil in Ford F-150 trucks with 3.5L twin-turbo engines.
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