3946074 Port Heads Rectangle L88 L89

( Manufacturer Part Number: 3946074 ), ( Part Type: Aluminum Head )

Review Aluminum Port Heads Rectangle Rebuilt L89 L88 fits LS6 454 427 1969–1970

The product you're inquiring about is a set of port heads, specifically the LS6 model with the part number 3946074. This set is designed for engines from the 1960s and 1970s, specifically those powered by 396/454 cubic inch V8 engines, such as the L89 and L88 options from 1969, and the 427 from 1969.

The LS6 port heads are known for their high-performance capabilities. They feature a unique design that allows for increased airflow and combustion efficiency, which in turn can lead to enhanced power output and engine performance. The heads are crafted from high-quality materials, ensuring durability and reliability under high-stress conditions.

The LS6 port heads come with a specific set of features that make them an excellent choice for performance enthusiasts. They include a large intake and exhaust valve size, which allows for improved air and fuel mixture intake and exhaust gas expulsion. The heads also feature a high-flow port design, which further aids in the increased airflow.

Installing these port heads on your engine can provide several benefits. They can improve your engine's horsepower and torque, providing a more powerful and responsive driving experience. They can also improve your engine's fuel efficiency, as the increased airflow allows for more complete combustion, reducing waste and improving the engine's overall efficiency.

In conclusion, the LS6 3946074 port heads are a high-performance upgrade for your 1960s/1970s V8 engine. They offer increased airflow, improved power output, and enhanced fuel efficiency, making them a popular choice among performance enthusiasts. Whether you're looking to upgrade your street car or your race car, these port heads can provide the performance boost you're looking for.

The port heads you're considering, specifically the part number 3946074, are used for various engine types such as LS6 396 from 1970, L89 454 from 1969, and L88 427 from 1969. Let's examine the pros and cons of purchasing these port heads.

1. Improved Performance: Port heads are known for enhancing an engine's performance by providing better air and fuel flow into the combustion chambers. This can result in increased horsepower and torque.

2. Durability: High-quality port heads, like the one you're considering, are made from materials like aluminum alloy or cast iron, which are known for their durability and resistance to heat.

3. Customization: Port heads can be customized to suit specific engine needs, such as increasing the engine's power output or improving its efficiency.

1. Cost: High-performance port heads like the one you're considering can be expensive. You'll need to consider whether the performance improvements justify the cost.

2. Installation Complexity: Installing port heads requires a certain level of mechanical expertise. If you're not comfortable with engine work, you may need to hire a professional to install the port heads for you.

3. Compatibility Issues: Not all port heads are compatible with all engine types. Make sure to double-check that the port heads you're considering are compatible with your engine before making a purchase.

If you're looking to improve your engine's performance and are willing to invest in high-quality parts, then these port heads could be a good option for you. However, make sure to carefully consider the installation cost and compatibility issues before making a purchase. If you're unsure, it might be worth consulting with a professional mechanic or engine specialist.

Details:

The date codes are and these 074 heads are as nice as they come. Rebuilt 454 l88 l89 LS6 rectangle port aluminum heads up for sale is a completely restored set of heads.

Everything is new and put back to stock. Stainless steel valves.

part #: 3946074 prices

• $2599.99-$4999.99

specifications cylinderheapar:

• for models: Ls6, 454, 427
• for years: 1969-1970
• mpn: 3946074
• part type: Aluminum Head

Ratings:

1. Good to do business with. 03-20-15
2. Thank you for an easy, pleasant transaction. Excellent buyer. A++++++. 03-19-15
3. Great buyer to deal with. Thanks for your business 03-21-15
4. ? ? ? ? ? ? ? ? ? ? 100% Perfect Buyer - Thanks from Corvette Stop ? ? ? ? ? ? ? ? ? ? ? ? 03-20-15
5. Thank you 03-20-15

Payments:

• PayPal

Shipping:

• cost: $90.0
• type: Flat
• handling: 2 days

Offer:

• # Sold: 0
• best offer: true
• quantity: 1
• Started: March 21, 2015, 5:56 pm
• # bids: 0

General:

• condition: Used
• Motors > Parts & Accessories > Vintage Car & Truck Parts > Engines & Components > Cylinder Heads & Parts
• in stock: Yes

Returns:

• time: 14 Days
• paid by: Buyer
• policy: returns accepted
• type: Money Back

Seller:

• city: Cleves, Ohio
• zipcode: 45002

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