
This MABBCO® Remanufactured Premium Long Block is for a GM Oldsmobile 5.0 307 motor, 1985-1990. This long block is identifiable by its "5L" block casting number and roller camshaft. Each MABBCO® long block is custom assembled as ordered so please call for current build times.
MABBCO® long blocks include NEW pistons, piston rings, rod bearings, main bearings, cam bearings, timing set, freeze plugs, gasket set, oil pump, and lifters. Each MABBCO® MOTOR is assembled with PRIDE by an experienced builder. MABBCO® MOTORS' engines are tested and checked to assure proper assembly. MABBCO® Premium Long Blocks are sold outright (No Core Return Required).
MABBCO® Remanufactured Premium Long Blocks carry a 1 Year/12,000mi Product Only Limited Warranty (No Labor or Shipping Allowance). Call or see Limited Warranty for details.
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