PurÖl Onyx SAE 40

Some Unique Features and Benefits of PurOl Onyx SAE 40:

• Removes any contaminants left during the engine building process.
• Premium protection of all internal engine components on initial start-up including pushrods, camshafts, flat tappet and roller rockers.
• Focused break-in additive package includes: ZINC, PHOSPHOROUS AND MOLYBDENUM.
• Excellent film for new bearing and journal protection
• Fast piston ring seating
• Cleans and Protects freshly machined surfaces
• Blended from the Highest-Quality mineral base stocks.
• SAE 40 Formula contains no viscosity modifiers and is compatible with petroleum and synthetic motor oils.

Recommended running of  30 minutes or longer in new, rebuilt engines for High Performance, Street, Restoration, Testing or Racing applications. PurOl Onyx is also ideal as a dyno or reference oil during product testing.

Onyx Series

Aerospace lubricant technology, now available for your engine! Introducing, PurOl s Onyx Series. This  New purpose-built break in oil formulation is  specifically designed to properly break in your fresh engine. It also prevents to reduce the potential of engine failure and wear during the engine break in process. PurOl Onyx series was purpose-built with the help of the top engine builders and engineers in the automotive industry. This proprietary technology contains unique high levels of zinc-diakldithiophosphates, in combination with PurOl s proprietary zinc, phosphorous and molybednum blends which extends oil film capacity for proper ring seating. Professional engine-builders that use PurOl Onyx Break-In Motor Oil will experience the difference provided by numerous barriers of protection. This product is field tested and suitable for use in all high performance and racing type engines especially those using flat tappet and/or roller cams operating at high RPM s and requiring high-pressure (stiff) valve springs. PurOl Onyx Series Break-In Motor Oil  is available in SAE 30 and 40 weights.