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Feature

Eliminates the need for stocking expensive locknuts and lock washers
Ideal for all nut and bolt applications 1/4" to 3/4" (6 mm to 20 mm)
Locks and seals while preventing parts from loosening due to vibration
Removable with hand tools
Typical applications: Valve cover bolts
water pump bolts
oil pan bolts
drive shaft bolts
rocker arm adjustment nuts
carburetor studs

Description

OEM: OMC 500421