fits model: 427, 396. make: Chevy. year: 1968.

( Manufacturer Part Number: 3919840 ), ( Part Type: Head Block )
Introducing the 3919840 heads for your 1968 Chevy 8-40 big block engine, designed specifically for 427 and 396 cubic inch engines equipped with a 26-8 port B-26-8 C-1-8 configuration. These heads are a must-have upgrade for any enthusiast looking to enhance the performance of their classic Chevy.
Crafted from high-quality aluminum, these heads feature a unique 8-40 big block design that maximizes airflow and combustion efficiency. The 26-8 port configuration allows for a more efficient intake and exhaust system, providing increased horsepower and torque. The B-26-8 C-1-8 design ensures optimal cylinder-head-to-valve-seat contact, reducing heat transfer and promoting longer engine life.
The 3919840 heads feature a rectangular port design, which allows for a more efficient fuel-air mixture and more complete combustion. This results in increased power and improved engine response. The heads also feature a CNC-machined intake and exhaust ports, ensuring precise and consistent airflow for optimal performance.
The 3919840 heads are also compatible with a variety of valve sizes, including 2.02-inch intake and 1.60-inch exhaust valves. This allows for a wide range of tuning options, allowing you to fine-tune your engine for maximum performance.
In addition to their performance benefits, the 3919840 heads also feature a polished finish, giving your engine a sleek and professional appearance. They are also designed to fit seamlessly with your existing engine components, making installation easy and hassle-free.
Overall, the 3919840 heads are an excellent upgrade for any 1968 Chevy 427 or 396 cubic inch engine. They provide increased power, improved engine response, and a sleek appearance, all while promoting longer engine life and easier installation. Don't settle for less than the best - upgrade to the 3919840 heads today and experience the difference for yourself.
Pros of buying a 3919840 heads Chevy 1968 840 big block 427/396 26-8 port B-26-8 C-1-8 engine:1. Powerful performance: This engine is known for its high power output, making it suitable for high-performance applications such as muscle cars, hot rods, and drag racing vehicles.
2. Versatility: The engine can be used in a variety of vehicles, including Chevrolet, Pontiac, and Oldsmobile models.
3. Availability of parts: Due to its popularity and long production run, parts for this engine are widely available, making it easy to maintain and repair.
4. High-quality construction: The engine is built with high-quality materials and components, ensuring long-term durability and reliability.
Cons of buying a 3919840 heads Chevy 1968 840 big block 427/396 26-8 port B-26-8 C-1-8 engine:1. High cost: The engine is expensive due to its high-performance capabilities and desirability.
2. Fuel efficiency: The engine is not particularly fuel-efficient, which can lead to higher operating costs.
3. Emissions regulations: Older engines like this one may not comply with modern emissions regulations, which could make it difficult or expensive to register and operate in some areas.
4. Maintenance requirements: The engine requires regular maintenance, including tuning and oil changes, to ensure optimal performance and longevity.
Conclusion:The 3919840 heads Chevy 1968 840 big block 427/396 26-8 port B-26-8 C-1-8 engine is a powerful and versatile option for high-performance applications. However, its high cost, fuel inefficiency, and maintenance requirements should be taken into consideration before making a purchase. If you are willing to invest in this engine for its performance benefits, it can be a great addition to your vehicle.
Recommendation:If you are in the market for a high-performance engine, the 3919840 heads Chevy 1968 840 big block 427/396 26-8 port B-26-8 C-1-8 engine is a solid option. However, make sure to do your research and consider your budget and vehicle needs before making a purchase. Additionally, ensure that you have the necessary resources to maintain and repair the engine to keep it running at its best.
Not over milled with plenty of material left. No porting or polishing. Great pair of heads for a number and date matched engine. Big block Chevy rectangle port heads b 26 8 c 1/8 very nice pair of heads off the same engine.
No repairs or bad threads. Cleaned and checked for cracks.