⚠️ Warning: Fraudulent Idemitsu Website Alert ⚠️
Idemitsu Lubricants America has identified a scam website—
Find the right oils
Idemitsu Pro Racing 5W‑40
Idemitsu Pro Racing 5W-40 is engineered to deliver the ultimate in horsepower and torque without compromising wear protection for modern racing engines. The advanced base oil formulation, with its “high-performance additive” [HPA] technology, helps racing engines operate smoothly in the most challenging racing conditions while maintaining high protection standards.
WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov
- Contains precisely controlled molybdenum agents to reduce friction to generate more horsepower and torque for racing engines
- Allows for improved sealing of the combustion chamber, generating significantly greater power
- Extends the life of turbochargers by reducing bearing coking
- Minimizes exhaust port clogging
- Superior shear stability allows for optimal lubrication film thickness between metal surfaces under severe race conditions
- Exceptional wear protection helps protect main bearing and eccentric shaft – a critical component in racing engines
For Purchase
Click the button below for product availability and purchase Idemitsu products from our distribution partners.
| Description | Part Number |
|---|---|
| 1 Quart | 30041116-75000C020 |
| 5 Quart | 30041116-95300C020 |
Chemical/Physical Properties
| Characteristics | Units | Test Method | Typical Value |
| Density @ 15°C | g/cm3 | ASTM D4052 | 0.850 |
| Kinematic Viscosity @ 40°C | mm2/s | ASTM D445 | 80.5 |
| Kinematic Viscosity @ 100°C | mm2/s | ASTM D445 | 13.3 |
| Viscosity Index | - | ASTM D445 | 167 |
| MRV Viscosity @ -35°C | mPa-s | ASTM D4684 | 19,000 |
| HTHS Viscosity @ 150°C | mPa-s | ASTM D4683 | 4.0 |
| CCS Viscosity @ -30°C | mPa-s | ASTM D5293 | 4,600 |
| NOACK Volatility | % wt Loss | ASTM D5800 | 8.5 |
Specifications & Approvals
Idemitsu Racing 5W-40 meets the performance requirements of:
- Japanese Race Cars
- Wankel Rotary Engines
Fully compatible for use in turbocharged and supercharged applications where 5W-40 is specified by manufacturer.
Always fill crankcase to manufacturer’s recommended level.
