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Engine Coupler

Engine Coupler
Your Price: $600.17
Save: $117.77
(16% Off $717.94)
Part # 18-21754
SHIPS TODAY!* if ordered in 6 hrs 47 mins.
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This item is found in the following Product Families
Replaces OEM part #
  • OMC 986232
  • OMC 984537
Fits: 7.5L / 460 King Cobra 1987-1990.

No longer available from OMC. Direct replacement to OEM original. No modification required.

I changed my engine and the coupler doesn't fit the new flywheel. The bolt pattern on the coupler is smaller than the bolt pattern on the flywheel. What coupler would I need to replace my 984290 coupler to fit the new flywheel pattern? The engine is a 1971 or 1979 Chevy 350 small block.?
This would probably require the help of a technician. Reason being is there is no way for us to match up a new flywheel with a coupler. We can only cross reference OEM numbers. You can post a question like this to our forums at or contact a local technician.
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