Sierra 18-1987-1 Manifold Conversion Kit
Sierra Manifold Conversion Kits can be used to convert Mercruiser Stern Drive engines to newer, more efficient center rise manifolds. All hoses, hardware, gaskets, and complete instructions are included so you can do the job right.
**Do not use on engines with high mounted power steering pumps**
Interchangeable with:
Click to Download Installation Instructions for Sierra 18-1987-1 Manifold Conversion Kit
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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