Tank Mount Nut/Governor Locking Nut, DUCAR 212 Item Number: 212-1160 Price: $1.20 Add to Cart Description The 212-1160 can be used to mount the front of the fuel tank to the block, and is also used to lock the governor arm. Accessories Plastic Tank Mounting Washer, DUCAR 212 Rear Tank Mount Bolt, DUCAR 212