350ci Small Block Chev Cast Iron Bare Engine Block GM10105123 Product:Suits Late Model 1986-on with 1-Piece Rear Main Seal both with cylinder heads installed

both with cylinder heads installed or with the cylinder heads off

040" Thick C4245-040 CMC4245-040 Suits Toyota 2RZ-FE

583-12-12D

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350ci Small Block Chev Cast Iron Bare Engine Block GM10105123 Product:Suits Late Model 1986-on with 1-Piece Rear Main Seal both with cylinder heads installed350ci Small Block Chev Cast Iron Bare Engine BlockSuits Late Model 1986 on with 1 Piece Rear Main Seal GM10105123 10105123 Description This engine block is used in 1986 99 Gen I heavy duty applications. It has 4. 00" diameter cylinder bores and four bolt main bearing caps. This block is machined for a one piece rear crankshaft seal. These blocks weigh 197 lbs. Cylinder wall thickness is the same as current production engines. The lifter valley is