New Quick view Compare BHO Hardware 3" To 3/8" M-NPT Tri Clamp Hemi End Cap This product is made from 304 stainless steel. One side is a 1.5” Tri Clamp reducing down to a ¼” M-NPT port, this item is mirror polished, the user will need a gasket and clamp on the tri clamp port to make a seal. £29.95 Add to Wishlist Add to Cart