Used by Joe Gibbs Racing to break -in and dyno all their NASCAR Nextel Cup and Busch Series engines, this petroleum based oil provides superior break-in properties for flat -tappet engines. The special additive package promotes ring seal and provides maximum protection for cams and lifters during initial break -in. MicroZol BR can also be used to break in roller cam engines, and it can be used as a general purpose dyno oil.

Also available in 10 quart jugs and drums by special order -

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