Product Overview
Riser
Upgrade your boat's exhaust system with the Sierra Riser. This cast iron riser, engineered for durability and performance, ensures smooth exhaust flow and optimal engine efficiency for your GM or Ford center lift manifold. Its precise 7° angle and 4" outlet provide a reliable and robust connection, minimizing back pressure and maximizing your engine's power. Choose the Sierra Riser for a worry-free boating experience, knowing you have a high-quality component built to withstand the harsh marine environment.
Key Features
- Durable Cast Iron Construction: Built to resist corrosion and withstand the rigors of marine use.
- 4" Outlet: Ensures optimal exhaust flow and reduced back pressure for improved engine performance.
- Precise 7° Angle: Designed for a perfect fit with compatible GM and Ford center lift manifolds.
- Includes Gasket (18-0943-2-9): Simplifies installation and ensures a proper seal for leak-free operation.
- Wide Compatibility: Fits many GM and Ford center lift manifolds, offering a versatile solution for various boat engines.
- Equivalent to OEM Parts: Replaces Barr OMC-20-913784, EMP 57-57505, GLM 51330, HGE 3784, Mallory 9-40911, OMC Stern Drive 3850456, 3855270, 3856444, 3857944, 913784, Osco 50456, Volvo Penta 3855270, 3857944, and 3863061, ensuring a reliable replacement.
- Sierra Quality: Backed by Sierra's reputation for manufacturing high-quality marine engine parts.
What's in the Box
- Sierra Riser
- Gasket (18-0943-2-9)
Specifications
The Captain's Take
I've been relying on Sierra parts for years, and their Riser is no exception. It's a solid, dependable piece of hardware that's built to last. The precise fit and included gasket make installation a breeze, and the improved exhaust flow has noticeably boosted my engine's performance. If you're looking for a reliable riser that won't let you down, the Sierra Riser is the way to go.
