BUICK MANA1504 Nailhead Intake Exhaust Valve Set Locks 401 Locks/retainers

( Manufacturer Part Number: MANA1504 ), ( Type: Exhaust Valve ), ( Oe/oem Part Number: 1350852 ), ( Features: Usa Made ), ( Material: Steel ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Finish: Polished ), ( Country Of Origin: United States )

Review BUICK Nailhead 401 Intake And Exhaust Valve Set Locks/retainers fits 425 1959–1966

Introducing the Buick Mantra 1504 Nailhead 401-425 Intake Exhaust Valve Set Locks/Retainers, specifically designed for Buick vehicles manufactured between 1959 and 1966. These essential components are crucial for maintaining the optimal performance of your classic Buick's engine.

The Intake Exhaust Valve Set Locks/Retainers are an integral part of the engine's intake and exhaust valve system. They work by securely holding the valves in place and preventing them from coming into contact with each other, which could result in significant damage to the engine.

Each set consists of a total of 24 pieces, with 12 intake valve locks and 12 exhaust valve retainers. The locks and retainers are meticulously crafted from high-quality materials to ensure a perfect fit and reliable function. They are designed to fit the Buick Nailhead engines with the specifications of 401 and 425 cubic inches.

The Buick Mantra Intake Exhaust Valve Set Locks/Retainers are a must-have for any classic Buick enthusiast looking to restore, maintain or upgrade their vehicle's engine. They offer a cost-effective solution compared to the high price of buying an entire set of new valves or rebuilding the engine.

These locks and retainers are easy to install, making them an ideal choice for DIY enthusiasts. They come in a reusable packaging to ensure they arrive to you in perfect condition. As always, it's essential to refer to your vehicle's owner's manual or consult with a professional mechanic for specific installation instructions.

In summary, the Buick Mantra 1504 Nailhead 401-425 Intake Exhaust Valve Set Locks/Retainers are an essential upgrade for any classic Buick owner. They are designed with precision, durability, and ease of installation in mind, making them a top choice for those looking to keep their beloved vehicles in top condition.

Buying a new intake exhaust valve set with locks/retainers for a 1959-1966 Buick Manor 1504 Nailhead 401/425 engine involves considering several factors to help determine if it's a worthwhile investment. Here are some pros and cons:

1. Improved engine performance: New intake exhaust valves can help improve engine performance by ensuring optimal air-fuel mixture and efficient exhaust gas flow.

2. Reduced emissions: Worn-out or faulty intake exhaust valves can lead to increased emissions. Replacing them can help reduce harmful exhaust gases.

3. Better fuel economy: Properly functioning intake exhaust valves can improve fuel economy by ensuring the engine runs efficiently.

4. Potential for increased power: Replacing old intake exhaust valves with new ones can result in increased power output, especially if the old valves were worn out or damaged.

5. Longer engine life: Replacing worn-out or faulty intake exhaust valves can help extend the life of the engine by reducing stress on other components.

1. Cost: A new intake exhaust valve set with locks/retainers can be an expensive purchase, especially for older vehicles.

2. Labor costs: Installing the new intake exhaust valve set requires specialized knowledge and tools, which can add to the overall cost.

3. Availability: Finding a new intake exhaust valve set for a specific make and model, especially an older one like the 1959-1966 Buick Manor 1504 Nailhead 401/425, can be challenging and time-consuming.

4. Potential for other issues: Replacing intake exhaust valves may not address all engine performance issues, and other components may need to be checked and replaced as well.

In conclusion, replacing the intake exhaust valve set with locks/retainers on a 1959-1966 Buick Manor 1504 Nailhead 401/425 engine can offer several benefits, including improved engine performance, reduced emissions, better fuel economy, and increased power output. However, the high cost and potential difficulty in finding and installing the new parts may deter some buyers. Ultimately, the decision to invest in a new intake exhaust valve set depends on the individual's priorities, budget, and the specific needs of their vehicle.

If the engine is experiencing performance issues, such as rough idling, poor fuel economy, or increased emissions, replacing the intake exhaust valve set with locks/retainers may be a worthwhile investment. However, it's essential to weigh the benefits against the costs and consider other potential causes of engine performance issues before making a decision. It's also recommended to consult with a professional mechanic to assess the engine's condition and provide guidance on the best course of action.

Details:

Rare to find with the locks/retainers, they are Nailhead specific. Selling a set of OEM GM Buick 401/425 Nailhead Intake Exhaust Valves along w/ matching Locks Retainers. The valves have been freshly ground and are ready for install in your refreshed heads.

part #: mana1504 prices

• $74.88-$350.00

specifications voomvalve:

• for models: 425
• for makes: Buick
• for years: 1959-1966
• mpn: Mana1504
• type: Exhaust Valve
• oe/oem part number: 1350852
• features: Usa Made
• material: Steel
• vintage part: Yes
• universal fitment: No
• finish: Polished
• country of origin: United States

shipping voomvalve:

• carrier: USPS
• type: Calculated
• transit: 4-9 Days
• service: USPS Ground Advantage
• class: Standard
• cost: $0.00

general voomvalve:

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

payments voomvalve:

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

returns voomvalve:

• policy: No Returns

offer voomvalve:

• availability: In Stock
• started: June 4, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0

seller voomvalve:

• # reviews: 368
• city: Hollywood, Florida
• rating: 100.0%

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