MANLEY 11689-8 Valve Exhaust 807298092706 VALVE-LS-7 R/m 1.615

( Brand: Manley ), ( Manufacturer Part Number: 11689-8 ), ( Manufacturer Warranty: 1 Year ), ( Product Market: Domestic ), ( Head Diameter: 1.615 In ), ( Stem Diameter: 0.3136 In ), ( O/a Length: 5.230 In ), ( Tip Length: 0.290 In ), ( Margin Width: 0.075 In ), ( Seat Width: 0.100 In ), ( Top Of Head: 18 Degree Dish ), ( Underhead Angle: 25.00 Deg ), ( Underhead Radius: 7/16 In ), ( Make Web: Chevrolet ), ( Engine Web: Ls ), ( Valve Series: Race Series ), ( Valve Sub-series: Race Master ), ( Type: Exhaust ), ( Product Type: Engine Exhaust Valve Kit ), ( Engine Detail Web: Ls-7 ), ( Industry: Automotive ), ( Out Of Stock Message: Call For Availability ), ( Title: Manley Valve Exhaust, Valve-ls-7 R/m 1.615 ), ( Prop 65 Yes/no: Yes ), ( Prop 65: C ), ( R Or Cr : Cr ), ( Prop 65 Short Label: Prop 65 Warning Label.jpg ), ( Engine Type: Ice ), ( Category Hierarchy: Valves Stainless Steel Race ), ( Country Of Origin: China ), ( UPC: 807298092706 )

Review MANLEY Valve Exhaust Valve-ls-7 R/m 1.615

Introducing the Manley 11689-8 Valve Exhaust Valve, a high-performance aftermarket solution for your engine's exhaust system. This valve is part of Manley's LS-7 R/M series, specifically designed for 1.615-inch exhaust valve applications.

Manufactured using Manley's proprietary valve material, this exhaust valve boasts superior strength and durability compared to OEM valves. The valve seat is made from Manley's exclusive Veralloy material, which offers excellent wear resistance and allows for precise valve control.

The Manley 11689-8 Valve Exhaust Valve features a stainless steel valve stem and retained seat design for improved sealing and reliability. The valve also includes a titanium retainers and springs for reduced weight and enhanced performance.

Each valve is meticulously inspected and tested to ensure the highest standards of quality and functionality. The valve diameter measures 1.615 inches, making it an ideal fit for various applications in high-performance engines.

Upgrading to the Manley 11689-8 Valve Exhaust Valve can result in improved engine performance, increased power output, and enhanced reliability. This valve is a must-have for engine builders, racers, and enthusiasts seeking the ultimate in exhaust valve technology.

In summary, the Manley 11689-8 Valve Exhaust Valve is a top-tier aftermarket solution for your exhaust valve needs. Its superior materials, precise engineering, and rigorous testing make it an excellent choice for those seeking optimal engine performance and reliability.

Manley 11689-8 Valve Exhaust Valve-LS-7 R/M 1.615: A Detailed Analysis

The Manley 11689-8 Valve Exhaust Valve-LS-7 R/M 1.615 is a high-performance aftermarket exhaust valve designed for LS engines. In this analysis, we will discuss the potential advantages and disadvantages of investing in this valve.

1. Enhanced Performance: The Manley valve is designed to provide improved flow and reduced restriction, resulting in increased power output and improved engine efficiency.

2. Durability: Manley valves are known for their high-quality materials and manufacturing processes. This exhaust valve is no exception, with a durable design that can withstand the rigors of high-performance use.

3. Improved Throttle Response: By reducing restriction and improving flow, this exhaust valve can help improve throttle response, making your engine feel more responsive and lively.

4. Upgrade Potential: Installing high-performance exhaust valves like the Manley 11689-8 can be a cost-effective way to upgrade your engine and extract more performance.

1. Cost: High-performance exhaust valves like the Manley 11689-8 can be more expensive than stock valves. This may be a deterrent for some buyers who are working with a tight budget.

2. Installation Complexity: Installing aftermarket exhaust valves can be a complex process that requires specialized tools and knowledge. This may require the assistance of a professional mechanic or engine builder.

3. Potential Compatibility Issues: While the Manley 11689-8 is designed to fit LS engines, there may be compatibility issues with specific engine configurations or modifications. It's essential to verify compatibility before making a purchase.

The Manley 11689-8 Valve Exhaust Valve-LS-7 R/M 1.615 is a high-performance aftermarket exhaust valve that offers numerous advantages for LS engine owners. These advantages include enhanced performance, durability, improved throttle response, and upgrade potential. However, there are also some potential disadvantages, such as cost, installation complexity, and potential compatibility issues. After careful consideration, if you are looking to extract maximum performance from your LS engine and are willing to invest the time and resources into the installation process, the Manley 11689-8 could be an excellent choice for you.

If you are an LS engine owner looking to extract maximum performance from your engine and are willing to invest the time and resources into the installation process, the Manley 11689-8 Valve Exhaust Valve-LS-7 R/M 1.615 is an excellent choice for you. Its high-quality materials, durable design, and performance benefits make it a worthwhile investment for those seeking to take their engine to the next level. However, be sure to verify compatibility and consider the installation complexity before making a purchase.

Details:

Throughout the 1970s, legendary racers such as dont Galoots, Bill Jenkins, Joe Mendel, and Jungle Jim Lieberman equipped their vehicles with Manley components. Manley 11689-8 Valve - Exhaust, Valve-LS-7 R/M 1.615. Unleash your street/strip machines true power potential with time-tested components from Manley. Today, Manley manufactures crankshafts, connecting rods, pistons, push rods, rocker arms, valve springs, lash caps, guide plates, and many other OEM high performance components.

ABOUT THE BRAND: Manley performance products have been tearing up streets and tracks worldwide since 1966. Part #: 11689-8.

part #: 116898 prices

• $209.69-$269.35

specifications voomvalve:

• brand: Manley
• mpn: 11689-8
• manufacturer warranty: 1 Year
• product market: Domestic
• head diameter: 1.615 In
• stem diameter: 0.3136 In
• o/a length: 5.230 In
• tip length: 0.290 In
• margin width: 0.075 In
• seat width: 0.100 In
• top of head: 18 Degree Dish
• underhead angle: 25.00 Deg
• underhead radius: 7/16 In
• make web: Chevrolet
• engine web: Ls
• valve series: Race Series
• valve sub-series: Race Master
• type: Exhaust
• product type: Engine Exhaust Valve Kit
• engine detail web: Ls-7
• industry: Automotive
• out of stock message: Call For Availability
• title: Manley Valve Exhaust, Valve-ls-7 R/m 1.615
• prop 65 yes/no: Yes
• prop 65: C
• r or cr : Cr
• prop 65 short label: Prop 65 Warning Label.jpg
• engine type: Ice
• category hierarchy: Valves Stainless Steel Race
• country of origin: China
• upc: 807298092706

payments voomvalve:

• other
• credit card: Diners-club
• wallet: Google-pay

seller voomvalve:

• rating: 99.4%
• # reviews: 21551
• city: Arlington, Texas

returns voomvalve:

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

shipping voomvalve:

• cost: $0.00
• class: Standard, Expedited
• service: USPS Ground Advantage, USPS First Class, USPS Priority Mail
• transit: 3-9 Days
• carrier: USPS
• type: Fixed

offer voomvalve:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: May 21, 2025
• availability: In Stock

general voomvalve:

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

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