ALLSTAR PERFORMANCE Filler Cap Polished with Bolt-In Alum Bung Small ALL36183

Bung and Cap Kit - 1.375 in Opening - Bolt-On - Aluminum Bung - Aluminum Threaded Cap - Polished - Kit Cap and bung have 1-1/2-12 thread. Replacement Parts ALL99372 Bolt-in Bung ALL99363 Cap ALL99355 Cap O-ring