CHEVY 3919840 Rectangle Block Big Port Head J-31-8

( Manufacturer Part Number: 3919840 ), ( Part Type: Block Head )

Review CHEVY Rectangle Block 31-8 Big Port Head fits 427 396 1969

This is a highly specialized and exquisite product designed for the discerning automobile enthusiast. The item in question is a rectangle block 31-8 Big 427 Chevy 396 engine cylinder head, specifically modeled after the 1969 port head J-31-8.

The 396 cubic inch engine block is a powerful and iconic engine from the Chevrolet lineup, renowned for its performance and reliability. The Big 427 designation refers to the increased displacement of the engine, providing an even more potent power output.

The cylinder head in question is the J-31-8 model, which was specifically designed for high-performance applications. This particular head features a 2.02/1.60 valve head, which allows for optimal air and fuel mixture intake, resulting in increased horsepower and torque.

The rectangle block designation indicates that this cylinder head is specifically engineered to fit a rectangle-shaped block, such as those found in the Big Block Chevy engines. The 31-8 designation refers to the combustion chamber size, with 31 being the diameter of the intake valve and 8 being the diameter of the exhaust valve.

In summary, this is a specialized and high-performance cylinder head for the 1969 Big 427 Chevy 396 engine. It is a must-have for any classic car enthusiast or hot rod builder seeking to enhance their engine's power and performance.

1. Power: The 396 cubic inch engine is known for its power and torque, making this car a great choice for those who enjoy high-performance driving.

2. Rarity: With only a limited number of these cars produced, a 1969 Chevy with a 396 Big Block and J-31-8 port head is a rare find, making it a desirable collectible for car enthusiasts.

3. Versatility: This engine is compatible with a variety of different Chevy models, so you have the option to customize the car to your liking.

4. Durability: The Big Block engine is known for its durability and reliability, making it a smart investment for those who plan to use the car for long-term use.

1. Cost: The rarity and desirability of this car make it a more expensive option than other Chevy models. You may need to budget for additional maintenance and repair costs as well.

2. Fuel efficiency: The Big Block engine is not known for its fuel efficiency, so you can expect to pay more for gas than you would with a smaller engine.

3. Maintenance: The Big Block engine requires more frequent maintenance than smaller engines, including regular oil changes, tune-ups, and checks on the timing chain and valve adjustments.

4. Availability of parts: Due to the limited production of these cars, parts may be harder to find and more expensive than parts for more common Chevy models.

If you are a car enthusiast who is looking for a high-performance vehicle with a classic look, a 1969 Chevy Big Block with J-31-8 port head may be the right choice for you. The power and torque of the engine make it a thrilling drive, and the rarity of the car makes it a desirable collectible. However, you should be prepared for the higher cost and maintenance requirements associated with this type of vehicle. It is important to do your research and have a budget in place before making a purchase.

If you are interested in purchasing a 1969 Chevy Big Block with J-31-8 port head, I would recommend doing your research to find a reputable seller and to get a thorough inspection of the vehicle before making a purchase. You may also want to consider getting a pre-purchase inspection to ensure that the car is in good working condition and to identify any potential issues that may need to be addressed. Additionally, it is important to budget for the higher cost of maintenance and repairs associated with this type of vehicle. Overall, with proper research and preparation, a 1969 Chevy Big Block with J-31-8 port head can be a rewarding and enjoyable addition to your collection.

Details:

That's why discounted, location engine room. There is no porting or polishing done to this head, the chip on valve cover mount there but plenty of threads left to tighten cover down and hardly visible once installed.

All threads look good except the one valve cover mount boss.

part #: 3919840 prices

• $695.00-$1995.00

specifications cylinderheapar:

• for models: 427, 396
• for makes: Chevy
• for years: 1969
• mpn: 3919840
• part type: Block Head

Returns cylinderheapar:

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

Ratings:

1. Item as described with fast careful shipping. Thanks! 10-18-16
2. b- 10-20-16
3. good, thanks for your purchase from midwaymusclecar 10-23-16
4. Great buy 10-22-16
5. Product was exactly as described! Very fast shipping!!!! Great !!! 10-20-16

Offer cylinderheapar:

• best offer: false
• # Sold: 0
• Started: October 23, 2016, 1:07 pm
• # bids: 0
• quantity: 1

Seller cylinderheapar:

• city: Doylestown, Ohio
• zipcode: 44230

Payments cylinderheapar:

• MOCC
• PayPal

General cylinderheapar:

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

Shipping cylinderheapar:

• handling: 2 days
• cost: $85.0
• type: Flat

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