AMMO by MIG Weathering Set. - Enamel Washes & Pigments for Modelling
Colors: Engines Set

From the Manufacturer:

The essential weathering set for all types of engine effects, including grease and fuel stains. Engines, fuel tanks, mechanical parts and all kinds of dirty engine greased surfaces can be weathered with this set. It includes three enamel effects:

A.MIG-1407 ENGINE GRIME
A.MIG-1408 FRESH ENGINE OIL
A.MIG-1409 FUEL STAINS