View 10 Photos View 0 Videos 1970 Detroit 4-71 Engine for a Unmarked Other Price Drop $2,500 USD (USED) Detroit 4-71 Warranty: As-Is No Warranty Assembly#: 5114136 Serial#: PB-88195 Horsepower: - CYLINDERS ARE STARTING TO SHOW WEAR ConditionUsedAssembly Number5114136Fits To Make(s)Misc EquFits To Model(s)OTHERStock Number25622736 MLS Number12746983CategoryEngines Last Updated10/9/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info