fits model: 427, 390, Corvette. year: 1968.

( Brand: Gm ), ( Manufacturer Part Number: 3917215 ), ( Part Type: Block Head Cylinder )
The 3917215 GM 400hp Big Block Corvette engine is a powerhouse of an automotive component, specifically designed for the iconic 1968 Corvette. This engine block, with the model numbers 28-7 and 29-7, is a testament to the engineering prowess of General Motors.
The 400hp Big Block Corvette engine is renowned for its impressive power output and robust construction. The engine block itself is made of high-quality materials, ensuring durability and longevity. It features the K-29-7 and K-28-7 cylinder head designs, which are known for their efficiency and ability to handle high-performance applications.
The 427 cubic inch displacement of this engine block provides ample space for combustion, allowing for powerful engine performance. The 1968 head cylinder design is a classic choice for those looking to recreate the raw, unadulterated power of a classic Corvette.
This engine block is a must-have for any Corvette enthusiast or hot rod builder looking to create a high-powered, high-performance vehicle. With its robust construction, impressive power output, and classic design, the 3917215 GM 400hp Big Block Corvette engine block is a true icon of automotive engineering.
Pros of buying a 1968 Corvette 427 block with 400hp, 28-7 and 29-7 heads:1. Powerful engine: The 427 cubic inch V8 engine with 400 horsepower is known for its raw power and impressive acceleration.
2. Rare and collectible: The specific combination of the 427 block, K-28 and K-29 heads, and 1968 model year makes this Corvette a rare and collectible vehicle.
3. High performance: The big block engine and high-performance heads provide excellent power and torque, making for an exhilarating driving experience.
4. Customizable: The 427 block is a popular choice for custom builds, offering a wide range of tuning options to suit different driving styles and preferences.
Cons of buying a 1968 Corvette 427 block with 400hp, 28-7 and 29-7 heads:1. High cost: The combination of a big block engine, high-performance heads, and a collectible model year can result in a high price tag.
2. Limited availability: Due to its rarity, finding a fully restored or well-maintained example of this Corvette can be challenging.
3. Maintenance and upkeep: The high-performance engine and drivetrain require regular maintenance and upkeep to ensure reliable performance and longevity.
4. Insurance and registration: Due to its value, insuring and registering this Corvette can be expensive and may require special provisions from insurance companies.
Conclusion:The 1968 Corvette 427 block with 400hp, 28-7 and 29-7 heads is an exciting and rare option for those looking for a powerful and collectible muscle car. While it comes with a high cost and requires regular maintenance, the performance and driving experience it offers can be unmatched. For those with the means and passion for classic cars, this Corvette is a worthy investment.
Recommendation:If you are considering purchasing this Corvette, it is recommended to do thorough research and due diligence to ensure you are getting a well-maintained and authentic example. Seek out a reputable dealer or private seller, and be prepared to invest in regular maintenance and upkeep to keep the car in top condition. With proper care and attention, this 1968 Corvette can provide a thrilling and rewarding driving experience for years to come.
The mount holes and threads are all ING good condition.
They do have some light surface rust on them pics.
This is a good original pair of heads for rebuild for your Corvette, please look at the pictures below. The mating surfaces are also in good condition. AK, hi, pr and the territories may be a little extra, please for a shipping quote.
These heads will need machine work before they can be rebuilt. More quality Corvette parts from scroll to the bottom for more pictures for sale is one used pair of bare oval port cylinder heads.