ALL ALUMINUM BARE BLOCK

Part Number: 10185075

ALL  ALUMINUM BARE BLOCK - Part Number 10185075
Aluminum Bare Block 350-ci main size. Weighs just 106 pounds. Aluminum bare block cast from prime ingot A-356 aluminum and heat-treated to T6 specs. Increased wall thickness for greater stress capabilities with semi-finished cylinder sleeves at 3.986-inches that can be finish bored up to 4.150-inches. Main bearing diameter is 2.45-inches (350 size) and its rigid deck surfaces are 0.620-inch thick. Blind-tapped head bolt holes improve head gasket sealing. The 8620 steel four-bolt main bearing caps will clear standard oil pans. Rear main bearing is pre-1986, two-piece design. Block is designed for wet sump, but can be converted to dry sump oiling by plugging oil pump hole in rear main bearing cap. Note: Use cam bearing kit P/N 12370843.
350-ci Main Size

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