Primarily for the oval track racer using moroso small block chevy cast aluminum valve covers where a leaking valve cover caused by a fastener shaking loose from vibration could mean disaster. Set consists of slotted head studs and nylon insert lock nuts with washers Features Compatibility – Small Block Chevrolet Overall Length – 1-3/4 in. Thread Size – 1/4 in.-20 Nut Type – Hex Head Color – Silver Material – Aluminum
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