Volvo Penta Reverse Lock Adjusting Pin AQ 270 280 Cooling System & Hoses but please note that this

but please note that this has the extra hole for the elbow that goes to the flame arrestor which was not present on the really early styles

This is for a one piece rear seal Only (Which is roughly 1988 & Up but specifically until the drain plug switched to metric in 1996)

but the rubber is in good condition and doesn't feel compromised anywhere

This was removed from a 1972 Johnson 50hp 2-Cylinder Electric Start Boat Motor Model # J 50ESL72C

You probably already know that you need to flare the business end to get the little pad to stay on there

Volvo Penta Reverse Lock Adjusting Pin AQ 270 280 Cooling System & Hoses but please note that thisVolvo Penta Reverse Lock Adjusting Pin Measures around 1 2" diameter & just over 8 7 8" in overall length (end to end including threads)