Here is a used steel drysump oil pan for the 2 piece rear main Sb Chevy engines. Not sure of manufacture. It is for the std 23 degree sb chevy engine.
Moroso Stainless Steel Dry Sump SB Chevy Oil Pan from a SB Chevy Bowtie Block
Moroso Stainless Steel Dry Sump SB Chevy Oil Pan from a R07
Steel Dry Sump SB Chevy Oil Pan with Windage Screen & 2 AN -12 Fittings
Stainless Steel Dry Sump SB Chevy Oil Pan from a test rig SB2.2 Bowtie Block
Dan Olson Racing Dry Sump Oil Pan SB Chevy
Fit SB Chevy SWP Short Water Pump 1G Steel Pulley & 3G Steel Crankshaft Pulley