Millers Competition Running In Oil 5L
Millers Competition Running In Oil is a high-quality mineral, multi-viscosity running-in oil developed for the initial break-in period of rebuilt or newly built competition engines. Specially formulated without friction modifiers, it allows controlled bedding-in of piston rings and other vital components, preventing bore glazing while providing essential wear protection.
Key Benefits
- Mineral-based 10w40 multi-viscosity running-in oil, purpose-built for competition engines
- Promotes controlled piston ring and cylinder bore bedding-in
- Provides excellent anti-wear protection during the crucial break-in stage
- Formulated without friction modifiers to avoid premature glazing
- Helps achieve maximum power output and long-term reliability once the engine is fully run in
- Trusted by professional engine builders, tuners, and motorsport teams
Suitable For
Newly built or rebuilt race, rally, and high-performance engines
Petrol and diesel competition engines requiring a dedicated running-in lubricant
Applications where a specialist running-in oil is recommended before switching to full competition oil
Ideal for workshops, rebuilders, and motorsport preparation
Directions for Use
Use for the first 500 miles on the road or approximately 3–4 hours under varying load on track.
Drain and refill with the recommended Millers competition oil once the running-in process is complete.
Supplied in a 5 litre container, Millers Competition Running In Oil is the trusted choice for protecting fresh builds and ensuring optimum performance from competition engines.