Cleanliness is king with engine rebuilds, but it's easy to forget about the hard-to-reach oilways found in the crank and block.
Debris left in here will quickly ruin bearings, journals and cylinder bores in a rebuilt engine.
These nylon brushes come in a range of diameters to suit all the engine's oilways.
Set of four brushes 5/32", 1/4", 7/16", 5/8" diameter, 12" long (4mm, 6mm, 11mm and 16mm x 300mm long).
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