TracTuff Radiator Cap Bung

TracTuff Radiator Cap Bung

$29.95

TracTuff billet radiator cap bung is used with our 3" or 4" billet tank lids and matched them perfectly for an inside weld but you can use it to fabricate anything that has a 1-1/2" hole or has an OD of 1-3/8" or 1-1/4" for use with the counter bore version.

The domestic cap bung has a 1/8" NPT port and the import version has a 1/16" NPT for connection to an overflow. The domestic version uses any early model (mid 70's through late 80's Chevy) cap and the import version uses early model Honda (88'-91' Civic/ CRX and 90'-93' Integra) cap. 

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