Main Bearing Set, 2.798" (0.010" undersize)

Specifications: Final Application: (For 0.020" (2.788") undersize main journal) fits: M SN: 278050 & up; I6, O6 both SN: 35600 & up; T6 SN: 7611 & up; W6 SN: 35644 & up; Super M, Super MTA, Super W6, 400, 450 gas, LP (mid 1951 & up), Fits crankshaft casting # 45571DD, 45571DE Replacement Number: 376723R11, 376724R11 Notes: Priced & sold as set for engine.