MANLEY 12630-8 Voodoo Intake Valves Head Diam 807298121116 5.2L 1.508 .2355

( Brand: Manley ), ( Manufacturer Part Number: 12630-8 ), ( Part Type: Intake Valve Head ), ( Return Notes: New, Unused Condition W/original Packaging ), ( UPC: 807298121116 )

Review MANLEY Ford Voodoo 5.2l Intake Valves 1.508 Inch Head Diam .2355 fits GT350 RM

The Manley 12630-8 Ford GT350 Voodoo 5.2L RM Intake Valves are a high-performance upgrade for your Ford GT350 engine. These intake valves are specifically designed to provide improved airflow and increased power output, making them an excellent choice for enthusiasts looking to enhance the performance of their vehicle.

These intake valves are manufactured using Manley's proprietary Valvetronix technology. Valvetronix is a unique process that combines advanced CNC machining with state-of-the-art heat treatment techniques to create valves that offer superior strength, durability, and thermal stability. The valves are made from 356 aluminum alloy, which is lightweight and provides excellent thermal conductivity, ensuring consistent performance under high engine temperatures.

The Manley 12630-8 intake valves have a head diameter of 1.508 inches, which is larger than the original Ford GT350 intake valves. This larger size allows for increased airflow into the engine, resulting in more power and better overall performance. The valves also have a stem diameter of 0.540 inches, which is compatible with the factory valve train.

Additionally, these intake valves feature Manley's unique V-groove design on the valve heads. This design helps to reduce turbulence and improve the flow of air into the engine, further enhancing performance. The valves also come with titanium intake valve springs, which offer excellent load capacity and quick response, ensuring optimal engine performance.

The Manley 12630-8 Ford GT350 Voodoo 5.2L RM Intake Valves are a direct replacement for the original intake valves and come with all necessary hardware for installation. They are designed to work with the factory camshafts and valve trains, making them a straightforward upgrade for experienced DIY enthusiasts or a cost-effective option for those looking to have the work done by a professional mechanic.

Overall, the Manley 12630-8 Ford GT350 Voodoo 5.2L RM Intake Valves are an excellent choice for anyone looking to enhance the performance of their Ford GT350 engine. With their superior strength, durability, and improved airflow, these valves offer a significant power increase and provide a satisfying driving experience for enthusiasts.

Manley 12630-8 Ford GT350 Voodoo 5.2L RM Intake Valves: A Detailed Analysis

The Manley 12630-8 Ford GT350 Voodoo 5.2L RM Intake Valves are aftermarket performance intake valves designed for Ford's iconic Coyote V8 engine, as found in the Ford GT350 and Shelby GT350 models. In this analysis, we will discuss the potential pros and cons of investing in these high-performance intake valves.

1. Enhanced Airflow: These Manley intake valves offer increased airflow compared to OEM valves. This results in better engine breathing and improved power output.

2. Durability: Manley is known for its high-quality, forged valves, which are designed to last longer than stock valves, especially under high-performance conditions.

3. Improved Throttle Response: The enhanced airflow and reduced restriction provided by these intake valves can lead to improved throttle response, giving the vehicle a more responsive and lively feel.

4. Longevity: Upgrading to Manley intake valves can help prevent issues related to valve failure, which is common in high-performance applications.

1. Cost: Aftermarket intake valves like the Manley 12630-8 can be quite expensive, especially compared to OEM parts. The cost of these valves may not be justified for those who do not plan on pushing their engines to their limits.

2. Installation Complexity: Installing aftermarket intake valves can be a complex process, requiring specialized tools and a certain level of mechanical expertise. This may result in additional labor costs.

3. Potential Engine Tuning: Installing high-performance intake valves may require additional engine tuning to ensure optimal performance. This can add to the overall cost and complexity of the project.

The Manley 12630-8 Ford GT350 Voodoo 5.2L RM Intake Valves offer several benefits for those who are looking to extract maximum performance from their Ford Coyote V8 engine. These benefits include enhanced airflow, improved throttle response, and increased durability. However, the high cost, installation complexity, and potential need for engine tuning may deter some enthusiasts from making the upgrade.

If you are an enthusiast or a professional racer who consistently pushes your Ford GT350 or Shelby GT350 to its limits, the Manley 12630-8 intake valves are a worthwhile investment. Their ability to provide improved airflow, durability, and throttle response can help you unlock additional power and performance from your vehicle. However, for those who use their vehicles primarily for daily driving or occasional track days, the cost and complexity of these upgraded intake valves may not be justified. Instead, they might consider other, more cost-effective modifications to enhance their driving experience.

Details:

Condition: New. 1.508 head diam. Manufacturer: Manley. Swirl Polished and Fully Machined: The valves feature swirl polished under head areas fully machined combustion faces to optimize airflow efficiency.

Brand: Manley. Ford GT350 VooDoo 5.2L RM intake valves. MPN: 12630-8. Recommended for Alcohol Engines: These valves are the recommended choice exhaust in alcohol engines, ensuring reliable performance even demanding conditions.

Items must be New, Unused, Not Installed, in the Original Packaging and able to resold. Variety of Shapes: Choose between Race Master Straight Stem and Flo shapes to suit your racing engines specific requirements. Chrome Stems and Hard Tips: stems hard tips are incorporated for enhanced longevity wear resistance. 2355 stem diam.

part #: 126308 prices

• $235.10-$242.99

specifications voomvalve:

• for models: Gt350, Rm
• for makes: Ford
• brand: Manley
• mpn: 12630-8
• part type: Intake Valve Head
• return notes: New, Unused Condition W/original Packaging
• upc: 807298121116

seller voomvalve:

• # reviews: 169952
• rating: 99.3%
• city: Grant, Michigan

shipping voomvalve:

• type: Fixed
• transit: 3-6 Days
• class: Expedited
• service: Expedited
• cost: $0.00

offer voomvalve:

• options: Ship-to-home
• quantity: 4
• started: February 20, 2026
• sold: 0
• availability: In Stock

general voomvalve:

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

returns voomvalve:

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

payments voomvalve:

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

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