Here is a used GM bowtie marine high rise cast iron 4 barrel intake manifold. Part number 14096012. Good shape.
Moroso Stainless Steel Dry Sump SB Chevy Oil Pan from a SB Chevy Bowtie Block
Bowtie GM Performance 12496822 Vortec 12486574 SB Chevy Aluminum Intake Manifold
ARP 2345608 Stud Kit GM SB Chevy LS1 LS Cast Iron Engine Main Bearing *No Grease
Aftermarket BB & SB Chevy GM 350 5.7L 454 V8 HEI Engine Distributor W12-16
SB Chevy Short Water Pump SBC 283 327 350 High Volume Aluminum GM Corvette