Main bearing kit, .030 inch, with flanged thrust bearings. Bearing locating tabs placed off-center top half, centered lower half. Replaces 1 - AR77747, 1 - AR77752, & 4 - AR74818. 1 set used in 254 CID 4 cylinder diesel engine (block #'s R40910, R46350, R46430 only), 270 CID 4 cylinder diesel engine.
Specifications
