+3 1/8" NPT Four Bung Weld on Manifold KB-NPT-BUNG $19.95 In stock Quantity: 1 Add to Bag Product Details Cross Reference:: KB-4BM 1/8" NPT Four Bung Manifold CNC cut from 1/4" steel plate Great for making your own cold side intercooler tube or charge pipe. Use for pressure gauges or injections of "go fast" juices. Save this product for later Favorite