AMSOIL Signature Series 5W-50 Synthetic Motor Oil (946ML) AMRQT
Code: AMRQTRelated products
Product detailed description
AMSOIL Signature Series 5W-50 Engine Oil
100% Synthetic Engine Oil – Advanced Technology for Maximum Performance and Protection
Product code: AMRQT | Package: 946 ml
🏆 A New Level of Engine Oil Technology
AMSOIL was founded on innovation – the first in the world to introduce synthetic motor oil with API certification. By rejecting conventional limitations and relentlessly pursuing perfection, it has set a new standard in lubricants.
Signature Series 5W-50 is the crowning achievement of this effort. It's not just the best oil AMSOIL has ever produced – it's demonstrably better than any competing product tested. Some might say it's "over-engineered". That's exactly the point. This oil isn't for everyone – it's for those who want Absolute Best Engine Protection and demand the utmost from their machine.
✅ Key benefits
- 🛡️ Maximum engine protection – Premium 100% Synthetic Formulation Protects the Engine Under Extreme Stress
- 🌡️ Widest Temperature Range – 5W-50 viscosity provides exceptional protection in both cold and extremely high operating temperatures
- 🏎️ Designed for High-Performance and Sports Engines – Ideal for racing and track day applications
- 💪 Robust Oil Film – High 50 viscosity ensures a strong protective film even under the highest load and temperature
- ⚙️ Extended engine life – Minimizes wear on key components
- 🧹 Exceptional engine cleanliness – effectively prevents the formation of deposits and carbon deposits
- 🔬 Stable properties – maintains performance throughout the service interval
Certifications and Specifications
| Parameter | Value |
|---|---|
| Viscosity | 5W-50 |
| API | SP, SN PLUS, SN |
| Ford | WSS-M2C931-C (Mustang) |
| GM | dexos R |
📦 Product information
| Parameter | Value |
|---|---|
| Brand | AMSOIL |
| Series | Signature Series |
| Oil type | 100% synthetic |
| Viscosity | 5W-50 |
| API Certification | SP, SN PLUS, SN |
| Ford | WSS-M2C931-C (Mustang) |
| GM | dexos R |
🚗 Who is Signature Series 5W-50 For?
This oil is specifically designed for high-performance engines that require a 5W-50 viscosity. It is the ideal choice for:
- 🐎 Ford Mustang – Meets WSS-M2C931-C specification designed specifically for high-performance Mustang engines (Shelby GT350, GT500, and more)
- 🏁 GM vehicles with dexos R specification – Corvette, Camaro ZL1, and other high-performance applications
- 🏎️ Racing and track day use – Robust protection under extreme track conditions
- 🔥 Engines operating at high temperatures – Viscosity 50 ensures a stable and strong oil film even at the highest operating temperatures
- 🔧 Modified and tuned engines – Increased performance requires increased protection
🏁 Why choose 5W-50 viscosity?
| Property | Benefit |
|---|---|
| 5W Winter Grade | Reliable engine start even at low temperatures, quick lubrication during cold starts |
| 50 Summer Grade | Extremely strong oil film at high temperatures – ideal for sports and racing applications |
| Wide Viscosity Range | Universal protection under all conditions – from cold start to full performance on the track |
⚠️ Important: Use 5W-50 oil exclusively in engines that specifically require or recommend this viscosity. Always follow your vehicle manufacturer's recommendations. Always follow your vehicle manufacturer's recommendations.
💡 Tip: For maximum performance and protection, we recommend combining with original filters and other AMSOIL products.
Additional parameters
| Category: | AMSOIL Engine Oils |
|---|---|
| Weight: | 1 kg |
| EAN: | 097012381012 |
| AMSOIL-XML: | 56 |

| Manufacturing company : | AMSOIL |
|---|---|
| Address : | AMSOIL INC., 925 Tower Ave., Superior, Wisconsin 54880, United States |
| E-mail : | international@amsoil.com |
