Bung and Cap Kit - 1.375 in OD - Weld-On - Steel Bung - Aluminum Threaded Cap - Black Anodized - Kit Brand Allstar Performance Cap and bung have 1-1/2-12 thread. Replacement Parts ALL99371 Weld-in Bung ALL99361 Cap ALL99355 Cap O-ring ALL36167 Truck Freight- NO State Restriction-
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