Crusader 97169 Exhaust Manifold Elbow 8" Extension Riser 350 454 502 V8 Piston Sets and you will need to

and you will need to track down OMC P/N 0985749 and the pin 0913663 / 913663

MerCruiser Propeller Shaft 44-850308 used in all "Later" MerCruiser Gen II Drives 1998 & Up (S/N 0L00040 & Up)

Used with 1972-1978ish models

(Actually these were also used on Gen II drives 1991-1997)

Found on Johnson / Evinrude Models 1972-1982 (And posably  others) 70hp

Crusader 97169 Exhaust Manifold Elbow 8" Extension Riser 350 454 502 V8 Piston Sets and you will need toPart Number(s) Included Crusader 97169 Exhaust Elbow 8" Extension Riser General Application Compatibility Various Crusader GM V8 Applications (5. 0L 305 5. 7L 350 7. 4L 454 8. 2L 502 and some other models in this family as well) If you are unsure if this is the correct one, just check your casting number. Other Details Freshwater Used Parts Original Paint AS THIS IS A QUANTITY ITEM YOU WILL RECEIVE ONE THAT IS IN EQUAL CONDITION TO THE ONE IN THE