Chrysler Exhaust Riser 6 in. | Barr Marine CM-20-6674

Chrysler Exhaust Riser 6 in. | Barr Marine CM-20-6674

Designed for Chrysler small block marine engines with log style exhaust manifolds to get exhaust higher than water line of boat.

• Barr Chrysler 6 in. exhaust riser
• Used on Chrysler LM318, M340 and M360 engines from 1968 to 1985
• Includes mounting hardware, gaskets, and plugs
• Heavy duty cast iron
• Painted Chrysler blue
• Replaces Barr CM20-6674
• Replaces for Chrysler 2846689

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Additional Information

Upgrade Your Engine with the Chrysler 6 in. Exhaust Riser

Maintaining a classic marine engine requires specialized and durable parts. Therefore, the Chrysler 6 in. Exhaust Riser is a critical component for your exhaust system. This specific model, the Barr Marine CM-20-6674, is designed for small block V8 engines. Because it provides six inches of height, it protects your cylinders from water ingestion. You can find this essential part and more at macombmarineparts.com. Keeping your exhaust higher than the waterline is vital for long-term engine health.

Why Choose the Barr Marine CM-20-6674?

First of all, this riser is a direct replacement for Chrysler part number 2846689. It is constructed from heavy-duty cast iron for maximum lifespan. In addition, it comes painted in iconic Chrysler Blue to match your original engine aesthetics. Since it is manufactured by Barr Marine, you can trust its quality and fitment. Moreover, it is compatible with Chrysler LM318, M340, and M360 models. Consequently, it is the standard choice for engines built between 1968 and 1985. Macomb Marine Parts ensures you get the right fit every time.

Complete Installation for Maximum Reliability

Fortunately, this kit includes the necessary hardware for a smooth installation. It typically comes with all pipe plugs, mounting bolts, and the required gasket. Since it features a fully jacketed design, it manages heat very efficiently. However, experts recommend replacing your manifolds and risers as a matched set. This proactive step helps prevent leaks at the mounting surfaces. Furthermore, using fresh hardware ensures a secure and vibration-free seal. Thus, you can enjoy a safer and more reliable boating experience this season.

The Benefits of 6-Inch Riser Protection

Adding extra height to your exhaust system offers peace of mind. Specifically, the six-inch rise prevents cooling water from flowing back into the manifold. Because water in the cylinders causes catastrophic engine failure, this riser is a cheap insurance policy. In addition, it helps your engine breathe better by optimizing exhaust gas flow. As a result, you will experience a smoother idle and more consistent power. Ultimately, investing in quality parts from macombmarineparts.com keeps your classic Chrysler V8 running like new.

Frequently Asked Questions

What engines fit the Barr Marine CM-20-6674?

This riser fits Chrysler small block marine engines. Specifically, it works with the 318, 340, and 360 CID models from 1968 to 1985.

Is the mounting hardware included in the kit?

Yes, the CM-20-6674 includes the mounting bolts, pipe plugs, and the RWC gasket. Therefore, you have everything needed for a standard replacement.

Can I use this with other manifold brands?

Yes, it is compatible with Barr, Osco, and original equipment (OEM) manifolds. However, checking for a flat mounting surface is always recommended.

Why is the riser painted blue?

The "Chrysler Blue" paint is the signature color for these vintage engines. Consequently, it maintains the original look of your engine bay while preventing external rust.