MANLEY MAN11689-8 Exhaust Valves R/m 1.615

( Brand: Manley ), ( Manufacturer Part Number: MAN11689-8 ), ( Type: Valves ), ( Performance Part: Yes )

Review MANLEY R/m 1.615 Exhaust Valves 11689-8 fits LS7

Introducing the Manley Performance Man11689-8 LS7 R/M 1.615 Exhaust Valves, a premium upgrade for your high-performance engine. These valves are meticulously engineered and manufactured to provide exceptional durability, enhanced performance, and improved thermal efficiency for your LS7 engine.

The Manley Man11689-8 LS7 R/M 1.615 Exhaust Valves are made from premium materials, including a 316 stainless steel valve body and a titanium valve head. The valve seats are precision-machined from nickel alloy, ensuring a perfect seal and minimizing the risk of valve seat recession.

These exhaust valves feature a unique radiused edge design, which reduces stress concentrations and provides improved strength and durability. The valves are also equipped with a modified stem design, which provides better sealing and reduces the risk of stem galling.

The 1.615-inch exhaust valves are designed to provide optimal flow and efficiency for high-performance engines. The increased valve size improves exhaust flow, reducing backpressure and increasing power output. The valves are also designed to operate at higher temperatures, making them ideal for high-performance applications where thermal efficiency is crucial.

The Manley Man11689-8 LS7 R/M 1.615 Exhaust Valves are engineered to provide a perfect fit and easy installation. Each valve comes with a matching spring and retainers, ensuring a complete and functional assembly straight out of the box. The valves are also available in both left and right hand configurations to fit your engine perfectly.

These exhaust valves are a must-have upgrade for any serious performance enthusiast looking to maximize the potential of their LS7 engine. With their superior materials, design, and engineering, the Manley Man11689-8 LS7 R/M 1.615 Exhaust Valves offer unmatched durability, performance, and thermal efficiency. Upgrade your engine today and experience the difference for yourself.

Manley's Man11689-8 LS7 R/M 1.615 exhaust valves are a popular choice among performance enthusiasts and engine builders due to their high-performance design and durability. Here are some pros and cons of buying these valves:

1. High-performance design: Manley exhaust valves are specifically designed for high-performance applications, making them an excellent choice for those looking to maximize the potential of their engine.

2. Durability: Manley valves are made from high-quality materials, including stainless steel and titanium, ensuring they can withstand the rigors of high-performance use.

3. Improved engine performance: Installing high-performance exhaust valves like the Manley Man11689-8 LS7 R/M 1.615 valves can lead to improved engine performance, including increased horsepower and torque.

4. Enhanced sound: The high-performance design of these valves can also lead to a more exhilarating exhaust note.

1. Cost: Manley exhaust valves are more expensive than stock OEM valves, making them a significant investment for some.

2. Installation: Installing high-performance exhaust valves like the Manley Man11689-8 LS7 R/M 1.615 valves can be a complex and time-consuming process, requiring specialized tools and knowledge.

3. Potential for increased emissions: High-performance exhaust valves can lead to increased emissions, which may not be desirable for those looking to maintain a stock appearance or for use in emission-controlled areas.

The Manley Man11689-8 LS7 R/M 1.615 exhaust valves offer several benefits for those looking to maximize the performance of their engine, including improved durability, enhanced power and torque, and a more exhilarating exhaust note. However, they come with a higher cost, a complex installation process, and the potential for increased emissions. Ultimately, the decision to purchase these valves depends on your specific goals, budget, and technical capabilities.

If you're looking to build a high-performance engine or take your existing engine to the next level, the Manley Man11689-8 LS7 R/M 1.615 exhaust valves are an excellent choice. However, be prepared for the higher cost, complex installation process, and potential for increased emissions. It's important to ensure you have the necessary knowledge, tools, and resources to properly install and maintain these valves to maximize their benefits. If you're not ready for the investment or technical challenge, you may want to consider other options.

Details:

Manufacturer: MANLEY. Exhaust Valve - 1.615 in Head 0.3136 Stem 5.230 Long Stainless LS7 GM LS-Series Set of 8.

part #: man116898 prices

• $212.46-$222.77

specifications voomvalve:

• for models: Ls7
• brand: Manley
• mpn: Man11689-8
• type: Valves
• performance part: Yes

offer voomvalve:

• quantity: 5
• options: Ship-to-home
• started: May 23, 2025
• availability: In Stock
• sold: 0

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• cost: $0.00
• transit: 5-11 Days
• service: Standard
• type: Fixed
• class: Standard

general voomvalve:

• Engines Engine Parts > Valvetrain Components > Valves
• condition: New

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• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

seller voomvalve:

• rating: 99.5%
• city: San Leandro, California
• # reviews: 104558

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• credit card: Mastercard
• wallet: Apple-pay

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