For 1967-1974 GMC P25/P2500 Van Main Bearing Set Sealed Power 35661MGFM 1968

1967, 1970, 1973-1974 GMC P25/P2500 Van 4.1L 6 Cyl. 1967-1974 GMC P25/P2500 Van 4.8L 6 Cyl. Notes: Engine Crankshaft Main Bearing Set -- A-Series Aluminum Bearings; 0.040 (in) Undersize. Reduces dramatically or eliminates bearing wear.