Hex Head Nuts1/2'' x 3-7/8''Chrome4/pkg Valve Cover Hex Head Nuts; 0.5 in. Head; L-3 7/8 in.; Chrome Plated Steel; ��Use when space is critical or if the valve cover nuts must be snugged down tighter than wing-nut-finger-tight��Four per package with 14"-20 x 1-3/8" studs included��Install and remove with half inch socket wrench with extension or a speed handlenodized.
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