GM Genuine Parts 350ci Small Block Chev Cast Iron Bare Engine Block GM10105123 Product:Suits Late Model 1986-on with 1-Piece Rear Main Seal 2015 Citroen C1 II1

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GM Genuine Parts 350ci Small Block Chev Cast Iron Bare Engine Block GM10105123 Product:Suits Late Model 1986-on with 1-Piece Rear Main Seal 2015 Citroen C1 II1350ci 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