Big main bearings, big rod bearings, dual mag drive crankshaft for sale with fresh yellow-tag from Aircraft Specialties. Rods M003, Mains M006 (Used on Lycoming engines that fit the following description:.) IO-540-K1A5D -K1B5D-K1E5D-K1F5D-K1G5D-K1J5D-L1A5D-L1B5D-M1A5D-M1B5D-M2AD-M2A5D-U1A5D-U1B5D TIO-540-F2BD-J2BD-N2BD-R2AD-S1AD AEIO-540-L1B5D Asking $6000 tjasonl267@gmail.com