I have a 1969 400 for sale engine codes 9790071, date code E139. Head date code E089 and has screw I’m studs with D shaped exhaust ports with matches the RA HO identifications. Intake is not factory (Edelbrock P4B). I have pics if needed. Located in central WYOMING. Looking to get $3500.00. Engine has been stored inside and is in great shape.