Main Bearing Set, Standard 2.498"
Item #: IHS2848-ISpecifications: Final Application: (For 0.010" (2.488") undersize main journal) fits: H up to SN: 391357; I4, O4, OS4, W4 up to SN: 33339; Fits crankshafts w/ casting #43734DB, 43734DC (All using standard 2.498" main journal & C152 C.I.) Replacement Number: 377966R91 Notes: Priced & sold as set for engine.