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Speed Pro Plastigauge
Plastigage is a quick and precise way to check bearing clearances. Each strip is color coded, has a measuring scale printed on the packaging, and is soluble in oil. Manufactured from a special extruded plastic thread with accurately controlled crush properties.
Green Plastigage: .001"-.003" Tolerances Red Plastigage: .002"-.006" Tolerances Yellow Plastigage: .009"-.020" Tolerances