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.

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  • 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

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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 19000
HTHS Viscosity @ 150°C mPa-s ASTM D4683 4.0
CCS Viscosity @ -30°C mPa-s ASTM D5293 4600
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.