Exhaust Manifold Conversion Kit - 18-1987-1 - Sierra
- Not for use on engines with high mounted power steering pumps
- Kit includes:
- (2) center rise manifolds, (2) exhaust elbows, (1) thermostat housing, 1 thermostat cover, (1) thermostat, all hoses, hardware, gaskets plus complete instructions to do the job right.
- This manifold kit is designed to convert all Mercruiser stern drive engines with GM 305 & 350 CID blocks that have log style exhaust manifolds and raw water cooling to the newer more efficient center rise manifolds.
- This Manifold Kit is designed to convert all Mercruiser Stern Drive Engines with GM 305 & 350 CID Blocks that have Log Style Exhaust Manifolds and Raw Water Cooling to the Newer More Efficient Center Rise Manifolds
- Kit includes:
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