Catalog Section # Part name Qty Prod Prod date FINIS Part No. Pinto OHC engines B1.50 - Crankshaft/Pistons And Bearings 2 Bearing - crankshaft mainUPPERBLOCK: STD / CRANKSHAFT: STD 5 6/70 - 8/94 1546734 73HM 6333A2 A Pinto OHC engines B1.50 - Crankshaft/Pistons And Bearings LOWERBLOCK: STD / CRANKSHAFT: STD 5 6/70 - 2/86 1546734 73HM 6333A2 A