King, Silicon Alecular Rod Bearing Set, Chev BB, .020"

King Silicon Alecular Bearings
The silicon particles help round off high spots on the crank surface during engine operation, which reduces friction & related wear. Because the bearings are unplated, wall variances are reduced by as much as 40% less than tri-metal (over-plated copper lead) bearings. King's SI bearings easily exceed maximum peak load capacity for car and light duty applications. Minimized debris embedment, SI bearings are unplated and bored, hard-particle debris is instantly flushed through the bearing and filtered out of engine rather than scoring the crankshaft and causing long term damage.