Main bearing kit, .010 inch. Bearing locating tabs placed off center both halves. Replaces 1 - AR49238 & 4 - AR49245. 1 kit used in 254 CID 4 cylinder diesel engine (block # R26160 only), 270 CID 4 cylinder diesel engine (block #'s R32020, R40850 only, to s/n 280000).
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