10W-30 (ATM): API SP (Resource Conserving), SN PLUS, SN…; ACEA A5/B5, A1/B1;
Ford WSS-M2C205-A; Chrysler MS-6395; GM LL-A-025, 6094M, 4718M; ILSAC GF-6A,
GF-5, GF-4…

AMSOIL Signature Series 100% Synthetic Motor Oil develops a strong fluid film that keeps metal surfaces separated while its robust anti-wear additives further reduce wear in metal-to-metal contact regions for maximum engine life.

API SN PLUS
- 75 percent more engine protection against horsepower loss and wear
- 100 % protection against LSPI
- 72 % better turbocharger protection
- 90% better protection against sludge

Product Highlights
Engineered for enthusiasts seeking maximum protection and performance. Precision-formulated with cutting-edge technology and a longstanding devotion to making the world's best motor oil. The result: engine protection that blows the doors off the highest industry standards.

AMSOIL Signature Series Synthetic Motor Oil develops a strong fluid film that keeps metal surfaces separated while its robust anti-wear additives further reduce wear in metal-to-metal contact regions for maximum engine life. The Sequence IVA Engine Test, which must be passed to meet the industry-standard API SN specification, simulates extended periods of stop-and-go driving.