Bearings Tri-Metal HD Mains 020 TR250,TR6, GT6

This is a Heavy Duty Tri-Metal Main Bearing Set for a Triumph TR250, TR6, GT6 MKII-on 1967-1973. These bearings are made from the same material as the Vandervell VP2 bearings, Cu 74.5%,Pb 21%,Sn 4.5% with an overlay of Pb 85%,Sn 12%,Cu 3% on Ni barrier.