Idemitsu Pro Racing 15W-50

Idemitsu Racing 15W-50 is engineered to provide exceptional protection and deliver maximum horsepower and torque for modern racing engines. The advanced base oil formulation and high-performance additive technology help provide superior lubrication performance by ensuring a precise film of protection for professional race cars, especially rally race cars, operating in the most severe driving conditions.

Warning Icon

WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov

  • Superior shear stability allows maximum lubrication film thickness between the metal surfaces in all driving conditions – including severe race conditions
  • Exceptional wear protection and durability to protect main bearing and eccentric shaft
  • Special molybdenum technology reduces friction and increases horsepower and torque – a critical demand of professional race cars
  • Outstanding deposit and sludge control result in a cleaner engine to help extend engine life
  • Excellent overall lubrication and wear protection for severe driving conditions as is typically encountered in professional rally racing

For Purchase

Click the button below for product availability and purchase Idemitsu products from our distribution partners.

Description Part Number
1 Quart 30041115-75000C020
5 Quart 30041115-95300C020

Chemical/Physical Properties

Characteristics Units Test Method Typical Value
Density @ 15°C g/cm3 ASTM D4052 0.88
Kinematic Viscosity @ 40°C mm2/s ASTM D445 129
Kinematic Viscosity @ 100°C mm2/s ASTM D445 17.5
Viscosity Index - ASTM D445 149
MRV Viscosity @ -25°C mPa-s ASTM D4684 18,500
HTHS Viscosity @ 150°C mPa-s ASTM D5481 4
CCS Viscosity @ -20°C mPa-s ASTM D5293 4,000

Specifications & Approvals

Idemitsu Racing 15W-50 meets the performance requirements for those vehicles where 15W-50 is recommended, especially for:

  • Japanese Race Cars
  • Rally Race Cars (including STI)

Fill crankcase to manufacturer’s recommended level.

Compatible with turbocharged and supercharged applications.