MANLEY 11563-1 Severe Exhaust Valve Stem 1.880 3/8

( Brand: Manley ), ( Manufacturer Part Number: 11563-1 ), ( Type: Exhaust Valve ), ( Material: Stainless Steel ), ( Country/region Of Manufacture: United States ), ( Finish: Polished ), ( Performance Part: Yes )

Review MANLEY Severe Duty Exhaust Valve 1.880 Inch Hd 3/8 Stem Stock Length Bbc

The Manley 11563-1 Severe Duty Exhaust Valve is an exceptional upgrade for automotive enthusiasts seeking high-performance exhaust solutions. Designed specifically for Big Block Chevy engines, this valve features a 1.880 inch intese exhaust port diameter and a 3/8 inch stem diameter, ensuring a perfect fit for certain high-performance applications.

This Manley exhaust valve boasts numerous advanced design elements that make it an exceptional choice for those who demand the best from their engine. The valve is constructed from premium materials, including grade 321 stainless steel in the valve body and hardened and tempered seats. These materials offer superior strength, durability, and resistance to thermal shock and fatigue.

The valve's valve spring is designed using Manley's proprietary "open oversized" design, which allows for a more efficient exhaust flow with minimal restriction. The high-performance spring provides superior control, ensuring optimal valve operation under various engine conditions. The valve round seat design promotes even heat distribution, reducing the risk of hot spots and preventing seizure.

The Manley 11563-1 Severe Duty Exhaust Valve comes with an O-ring stem seal that makes installation a hassle-free process. The valve's stainless steel retainers ensure a secure fit, and the surface finish on the valve stem provides excellent sealing and resistance to wear, ensuring a longer service life.

In summary, the Manley 11563-1 Severe Duty Exhaust Valve is an excellent upgrade for those looking to improve the performance of their Big Block Chevy engine.With its high-quality materials, advanced design features, and superior sealing, this valve delivers unmatched strength, durability, and efficiency, making it a trusted choice among discerning automotive enthusiasts.

A Detailed Analysis of Buying a Manley 11563-1 Severe Duty Exhaust Valve

Manifesting an objective and utterly devoid of emojic let's delve into the considerations surrounding the acquisition of a Manley 11563-1 Severe Duty Exhaust Valve for a BBC (Big Block Chevy) engine.

1. Superior Performance & Durability: The Manley 11563-1 Severe Duty Exhaust Valve is renowned for its robust construction and enhanced performance attributes. Made with high-grade materials such as stainless steel, this valve is expected to endure even the most strenuous operation levels. This attribute becomes particularly crucial in high-performance engines where exhaust gases can reach extreme temperatures and velocity.

Pros: Improved exhaust system efficiency, Reduced valve failure, and Longer engine lifespan.

Reduced engine misfires and leaks.

High thermal conductivity for even heat distribution.

2. Precision Manufacturing: Manley is known for its meticulous attention to detail during the manufacturing process. Each exhaust valve is designed and manufactured to exact specifications, ensuring consistent quality and reliability. Moreover, this precise machining results in a better engine fitment, precise sealing, and fluid operation of the valves.

Pros: Enhanced operational efficiency, Reduced engine vibration, and Smoother overall engine performance.

3. High Temperature & Heat Resistance: The Manley 11563-1 Severe Duty Exhaust Valve excels in its ability to withstand high temperatures and heat, making it the perfect choice for high-performance applications. Temperatures can reach up to 1100 F (593 C). This valve's resistance to these extremes makes it suitable for BBC engines that generate a considerable amount of heat.

Pros: Reliability under extreme conditions, Enhanced engine life, and Reduced exhaust malfunctions.

4. Suitable for BBC Engines: The Manley 11563-1 Severe Duty Exhaust Valve is specifically designed to suit the requirements of BBC engines. Its large 1.880" bore size, along with its 3/8 stem length, makes it a seamless fit for these types of applications. Additionally, the valve stems feature a self-aligning tip geometrical design, ensuring correct valve sealing and minimizing the potential for stem leakage.

Pros: Enhanced fuel efficiency due to proper valve sealing, Improved power output, and Reduced risk of engine damage.

5. Cost-effective: While the upfront cost of the Manley 11563-1 Severe Duty Exhaust Valve may be slightly higher than stock OEM parts, the long-term benefits and reliability largely outweigh the initial investment. By minimizing the need for frequent repairs, engine downtime, and potential engine replacement, the Manley exhaust valve proves to be a cost-effective choice for high-performance enthusiasts.

The Manley 11563-1 Severe Duty Exhaust Valve brings a plethora of performance, reliability, and durability benefits for the BBC engine. Its superior manufacturing processes, high temperature resistance, precision bore size, and heat resistance are all essential factors that contribute to an improved driving experience and enhanced engine efficiency. Ultimately, investing in a Manley 11563-1 Severe Duty Exhaust Valve offers both performance and financial advantages.

If you're a high-performance enthusiast or BBC engine enthusiast looking to enhance your driving experience, upgrade your exhaust valve system with the Manley 11563-1 Severe Duty Exhaust Valve. The durability, performance, and fuss-free reliability of this valve make it an unparalleled choice for those in pursuit of optimizing their engine's potential.

Details:

The Manley 11563-1 Severe Duty Exhaust Valve is designed for Big Block Chevy engines, featuring a 1.880 head diameter, 3/8 stem and stock length . Made of stainless steel with a polished finish, this performance part is ideal for enhancing engine. Manufactured in the USA by Manley, a trusted brand valve train components.

part #: 115631 prices

• $41.08-$63.03

specifications voomvalve:

• brand: Manley
• mpn: 11563-1
• type: Exhaust Valve
• material: Stainless Steel
• country/region of manufacture: United States
• finish: Polished
• performance part: Yes

payments voomvalve:

• wallet: Google-pay
• credit card: Visa
• other

general voomvalve:

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

seller voomvalve:

• rating: 98.4%
• city: Kennewick, Washington
• # reviews: 374

offer voomvalve:

• availability: In Stock
• started: February 3, 2025
• options: Ship-to-home
• sold: 0
• quantity: 7

shipping voomvalve:

• type: Calculated
• carrier: USPS
• class: Standard, Expedited
• transit: 4-11 Days
• cost: $0.00
• service: USPS Ground Advantage, USPS Priority Mail

returns voomvalve:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

Manley 11563-1 Is Similar To:

• Pac Racing Pac-1280x 1.282 Od Beehive Valve Springs Manley Crower Psi (25.5% similar) Here is a used set of 16 PAC racing beehive valve springs. Will combine shipping with multiple items. Meets specs with more rpm and endurance. Retainers included: no outside diameter of outer spring in.: 1.282 IN./1.077 in. Brand: manufacturers part number: PAC-1280X-16 type: valve...(May 23rd, 2024)
• Manley 11-3631a 16 Super 7 Titanium Retainers 1.120 Inch From Ls Race Engine Nice Set Mint (45.9% similar) Part #: Manley 11-3631A for sale...(June 2nd, 2024)
• Manley 221424-16 Nextek 1.640 Drag Race Valve Springs Used Excellent Condition (35.4% similar) Of brand new springs, measuring 240 lbs. This item is a complete set of lightly used Manley race springs for solid roller cam. Here are the details:.d. Of outer DOA. I have checked each spring on my iMac tester and they are within 3 - 4 lbs. These springs are virtually new and have...(June 24th, 2024)
• Manley 221443-16 16 Dual Valve Springs 1.580 Inch O.d Part 221443-16 Nascar (49.7% similar) Part #: Manley 221443-16 for sale...(July 12th, 2024)
• Manley 13195-16 10 Valve Locks (41.1% similar) Manley 13195-16 - 10 valve locks. Made from high-quality materials for ultimate durability. Manufactured to meet or exceed strict quality requirements. Soon, the brand was awarded highest supplier rating by ford. The brand was born from the extreme passion of its founder, hank Manley...(August 12th, 2024)
• Manley 11834-1 Severe Duty Valve (53.6% similar) American express...(August 15th, 2024)
• Manley Performance 42142-16 1.250 Inch Valve Spring Cups And Locators Set Of 16 (34% similar) Manley valve spring cups and locators protect your expensive aluminum heads from being galled by high-pressure springs. They are quality-machined to a .062 in. Thickness from heat-treated steel with a corrosion-resistant black oxide finish. Manley valve spring cups and locators are available in...(August 15th, 2024)
• Manley 11864-1 Race Master Intake Valve (40.3% similar) American express...(August 17th, 2024)
• Manley 11310-8 Valve Intake Valve-409 R m 2.200 Engine (41.2% similar) 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 . Unleash your...(August 17th, 2024)
• Manley 11591-8 Valve Exhaust Valve-fd Svo 1.880 (54.3% similar) 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 . Unleash your...(August 18th, 2024)
• Manley 13161-8 Valve Locks (37.7% similar) Bead lock groove type. Manley 13161-8 valve locks: specifications: condition: new. Lock material.: .050 installed height . Recessed for lash cap. Hardened steel. Manufacturing process. Lock groove quantity. Valve stem diameter. Manufacturer part #: 13161-8...(August 19th, 2024)