For 1968-1974 GMC K25/K2500 Pickup Main Bearing Set Sealed Power 21371QMSH 1969

1968 GMC K25/K2500 Pickup 5.4L V8. 1968 GMC K25/K2500 Pickup 5.3L V8. Notes: Engine Crankshaft Main Bearing Set -- Standard Design; A-Series Aluminum Bearings; 0.060 (in) Undersize. 1969-1974 GMC K25/K2500 Pickup 5.7L V8.