MerCruiser 7-Degree Dry Joint Riser for V6 & V8 engines offers superior exhaust flow, corrosion resistance, and protection against water intrusion.
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MerCruiser V6 & V8 7-Degree Dry Joint Riser – Engineered for Optimal Exhaust Flow & Protection
The MerCruiser 7-Degree Dry Joint Riser is a critical component for maintaining peak performance and reliability in your MerCruiser V6 and V8 marine engines. Designed with durability and precision in mind, this riser is built to OEM standards and pairs perfectly with MerCruiser’s dry joint manifolds to provide a secure, corrosion-resistant exhaust solution.
Featuring a 7-degree angled outlet, this riser ensures improved water drainage and optimized exhaust flow—key for preventing back pressure and reducing the risk of water reversion into the engine. The 7-degree design is ideal for applications where space and engine height are considerations, providing the perfect geometry for effective water separation in both single and dual exhaust systems.
The dry joint design represents a significant upgrade over older wet joint styles. In a dry joint system, coolant water flows through a separate passage rather than across the sealing surface between the manifold and riser. This prevents water intrusion at the gasket mating surfaces and significantly extends the service life of the riser and connected exhaust components.
Constructed from robust marine-grade cast iron and finished with a high-temperature-resistant coating, this riser is built to handle harsh marine environments and thermal cycling. It’s suitable for use in both saltwater and freshwater conditions when paired with proper anodes and maintenance.
Compatible with a wide range of MerCruiser V6 (4.3L) and V8 (5.0L, 5.7L, 6.2L, and others) engines, this riser is easy to install and designed to work seamlessly with standard exhaust systems using dry joint connections.
For those upgrading from a wet joint system or simply replacing worn components, the 7-degree dry joint riser offers improved reliability, longer life, and enhanced performance. Protect your engine—choose MerCruiser quality.
| Weight | 10.886 kg |
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| Dimensions | 40 × 29.2 × 19.6 cm |
