Product DetailsNew exhaust manifold conversion kit for OMC Ford 302/351 marine gas engines. Replaces the old end rise (log style) manifolds and risers, part numbers 913682, 913683, 909218, 982680, or 909863, with new and more efficient center-rise manifolds and risers.
- This kit does not replace the older “Banana” style OMC Ford manifolds.
- These manifolds utilize one bolt per port, instead of two like original OMC manifolds. This is normal and will not cause any problems.
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Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.