Signature Series 5W-50 (AMR)

This year at the 2014 SEMA Show the Mustang took centre stage as it celebrated its 50th birthday. In conjunction with this AMSOIL has added a new viscosity to its Signature Series line specifically formulated for high-horsepower Ford Mustang engines requiring the Ford WSS-M2C931-C performance specification.

AMSOIL Signature Series 5W-50 Synthetic Motor Oil is fortified with a robust additive package, including top-quality detergents and dispersants to help prevent sludge deposits and keep engines clean. It withstands the stress of high horsepower and heat, resisting viscosity loss due to mechanical shear and maintaining protection in metal-to-metal contact regions for maximum engine life.

Like its Signature Series siblings, AMSOIL Signature Series 5W-50 excels in extreme temperatures. It resists thermal breakdown to maintain protection in high heat and it contains no wax, allowing it to remain fluid in the low temperatures for improved oil flow and protection at startup. Signature Series 5W-50 is designed for maximum efficiency. It exhibits an extremely low volatility rate to control oil consumption and emissions.

For more information on this new oil viscosity visit the details page on

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