MANLEY S1812 Engine Intake Valve 389

( Brand: Manley ), ( Manufacturer Part Number: S1812 ), ( Part Type: Intake Valve Engine ), ( Location: S-375g )

Review MANLEY Engine Intake Valve Fit Gmc Pontiac 389 Pcs fits 400

The Manley S1812 Engine Intake Valve is a premium replacement part designed specifically for GMC and Pontiac vehicles equipped with the 389 and 400 cubic inch engines. This intake valve is meticulously engineered to provide superior performance, reliability, and durability compared to original equipment manufacturer (OEM) parts.

The valve is constructed from high-grade 356 aluminum alloy, which ensures excellent heat dissipation and robustness. The valve head features a large intake port, optimized for maximum airflow and improved combustion efficiency. The valve seats are made from Manley's exclusive Tufseal material, ensuring a perfect seal and minimal leakage, even after years of use.

The valve stems are precision-machined to a close tolerance, ensuring a proper fit and seamless interaction with the valve guides. Additionally, the stems are designed to accommodate the use of valve springs with a wide range of spring pressures, providing flexibility for different engine tuning requirements.

Manley's S1812 Intake Valve is finished with a precise valve lash adjustment, ensuring optimal engine performance and minimizing the need for frequent adjustments. The valve also comes with a set of new valve springs, retainers, and keepers, making it a complete solution for intake valve replacement.

In summary, the Manley S1812 Engine Intake Valve is an exceptional upgrade for GMC and Pontiac 389 and 400 cubic inch engines. Its premium construction, optimized design, and attention to detail make it a reliable and effective replacement, delivering improved engine performance and longevity.

Buying Manley S1812 engine intake valves for GMC Pontiac 389/400 engines comes with several pros and cons that can help you make an informed decision.

1. High Quality: Manley is a well-known brand in the automotive industry, known for manufacturing high-performance engine components. These intake valves are made from forged stainless steel, ensuring durability and reliability.

2. Improved Performance: Upgrading to Manley intake valves can result in improved engine performance. These valves have larger diameter and longer stems, allowing for better flow and improved breathing.

3. Enhanced Longevity: Manley intake valves are designed to last longer than original equipment valves. They are resistant to wear and tear, making them an ideal choice for high-performance applications.

1. Cost: Manley intake valves are more expensive than OEM valves. The cost of purchasing and installing these valves can be a significant investment.

2. Complex Installation: Installing new intake valves can be a complex process, especially for those without automotive experience. It may require specialized tools and knowledge to ensure a proper installation.

3. Potential for Engine Damage: Installing the wrong size or type of intake valves can result in engine damage. It is essential to ensure that the correct valves are purchased and installed to avoid any potential issues.

Manley S1812 engine intake valves for GMC Pontiac 389/400 engines offer several benefits, including improved performance, enhanced longevity, and high-quality materials. However, they come with a higher cost and a complex installation process. It is essential to carefully consider these factors before making a purchase.

If you are looking to improve the performance of your GMC Pontiac 389/400 engine and are willing to invest in high-quality components, then Manley intake valves are an excellent choice. Ensure that you purchase the correct size and type of valves and have them installed by a qualified mechanic to avoid any potential issues.

Details:

The quoted shipping prices are within the 48 states only. Part Number: S1812. This listing is for Manley Engine Intake Valve fit GMC Pontiac 389 400 S1812 - 2 Pcs.

part #: s1812 prices

• $13.99-$31.49

specifications voomvalve:

• for models: 400
• for makes: Gmc, Pontiac
• brand: Manley
• mpn: S1812
• part type: Intake Valve Engine
• location: S-375g

payments voomvalve:

• wallet: Paypal
• credit card: Visa
• other

shipping voomvalve:

• class: Standard
• transit: 3-8 Days
• type: Fixed
• cost: $5.99
• service: Standard

general voomvalve:

• Engines Engine Parts > Valvetrain Components > Valves
• condition: New other see details

offer voomvalve:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• started: April 28, 2025
• quantity: 4
• sold: 0

returns voomvalve:

• policy: No Returns

seller voomvalve:

• city: Ontario, California
• rating: 99.8%
• # reviews: 29513

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