BLUEPRINT ENGINES BP3960 Ci Engine Block

( Brand: Blueprint Engines ), ( Manufacturer Part Number: BP3960 ), ( Type: Engine Short Block ), ( Number Of Valves: 16 ), ( Engine Size: 6.5 L ), ( Fuel Type: Gasoline )

Review BLUEPRINT ENGINES Ci Crate Engine Chevy Compatible Short Block fits 396 SB

The Blueprint Engines BP3960 396 ci engine is a small-block Chevy powerplant that delivers impressive performance and reliability for hot rods, muscle cars, and racing applications. This engine is based on the classic Chevy 396 cubic inch (ci) small-block design but incorporates modern technology for enhanced power and efficiency.

The BP3960 engine block is a cast iron unit that features a four-bolt main bearing cap design for increased strength and durability. It also includes a high-performance cross-drilled oiling system, which improves oil flow and cooling. The block deck is precision machined to ensure a perfect cylinder head seal and optimal compression.

The engine's crankshaft is a forged steel unit with a 4.000-inch stroke and a 3.750-inch bore. It is designed for high rpm applications and is balanced and machined to ensure optimal rotating assembly balance. The crankshaft also features a polished finish for a stylish appearance.

The Blueprint Engines BP3960 engine comes with a set of high-performance aluminum cylinder heads. These heads are CNC ported and feature large intake and exhaust ports for optimal air and fuel flow. They also include high-performance roller rocker arms and 1.9:1 rocker arm ratio for improved valve control.

The engine's camshaft is a hydraulic roller design that offers improved valve control and durability compared to traditional flat tappet cams. It also includes a high-performance timing set and dual springs for optimal valve lift and duration.

The Blueprint Engines BP3960 engine comes with a high-performance intake manifold and carburetor or fuel injection system, depending on your application. The intake manifold is designed for optimal airflow and features a large plenum volume for improved power and torque.

The engine's accessories include a high-performance water pump, electric fan, and power steering pump. The engine also comes with a high-performance ignition system, including a distributor or coil-on-plug ignition system, depending on your application.

The Blueprint Engines BP3960 engine is designed to deliver impressive power and torque, with horsepower ratings depending on the specific application and tuning. It is also built to the highest standards of quality and precision, ensuring that it provides reliable performance and longevity. Whether you're building a hot rod, muscle car, or racing application, the Blueprint Engines BP3960 396 ci engine is an excellent choice for power and performance.

The BP3960 396 ci engine, also known as the SB Chevy Small Block, is a popular choice for those looking to build a high-performance Chevy engine. Here are some pros and cons to consider before making a purchase:

1. Power: The BP3960 engine delivers impressive power, making it an excellent choice for racing or high-performance applications.

2. Versatility: This engine can be used in a variety of applications, including drag racing, road racing, and even marine applications.

3. Reliability: The SB Chevy Small Block design is known for its durability and reliability, making it a popular choice among enthusiasts.

4. Availability: The BP3960 engine is widely available from various aftermarket suppliers, making it relatively easy to find and purchase.

5. Affordability: Compared to other high-performance engines, the BP3960 engine is relatively affordable, making it a cost-effective option for many builders.

1. Complexity: Building a high-performance engine like the BP3960 can be a complex process, requiring a significant amount of time, money, and expertise.

2. Maintenance: A high-performance engine like the BP3960 requires regular maintenance to keep it running at its best.

3. Fuel efficiency: The BP3960 engine is not known for its fuel efficiency, which can be a concern for some builders.

4. Noise level: This engine can be loud, which may not be desirable for all applications or environments.

5. Emissions: The BP3960 engine may not meet modern emissions standards, which could be a concern for those building street cars or trucks.

The BP3960 396 ci engine is a powerful and versatile option for those looking to build a high-performance Chevy engine. While it offers many advantages, it also comes with some drawbacks, including complexity, maintenance requirements, and potential fuel efficiency and noise issues. Ultimately, the decision to purchase this engine depends on your specific needs, budget, and expertise. If you're looking for a powerful and reliable engine for high-performance applications, the BP3960 could be a great choice. However, if you're looking for something more fuel-efficient, quieter, or easier to maintain, you may want to consider other options.

If you're considering purchasing a BP3960 396 ci engine, it's important to do your research and carefully consider your specific needs and budget. Make sure you have the necessary tools, expertise, and resources to build and maintain the engine. Consider working with a professional engine builder or performance shop to ensure that the engine is built to your specifications and meets your performance goals. Additionally, be sure to factor in the ongoing maintenance and fuel costs when calculating the total cost of ownership.

Details:

OEM Seasoned 4-Bolt GM 350 1 Piece Block. BluePrint Engines 396 CI Crate Engine, SB Chevy Compatible Short Block. Discontinued item. Engine was installed and used but only had about 3 hours on it. All bearings, pistons, and rings were replaced for certain. It has since been reconditioned to new.

It is unclear if the block and crank were replaced or original ones reclaimed. Internally Balanced Front, Externally Rear. Because this is a short block, it was not able to be Dino tested. If reclaimed, they would have had to pass strict inspection.

Bored .040 Over. 4340 Forged Crank.

part #: bp3960 price

• $5499.00

specifications grokengines:

• for models: 396, Sb
• for makes: Chevy
• brand: Blueprint Engines
• mpn: Bp3960
• type: Engine Short Block
• number of valves: 16
• engine size: 6.5 L
• fuel type: Gasoline

seller grokEngines:

• rating: 99.7%
• # reviews: 925
• city: Kearney, Nebraska

offer grokEngines:

• best offers: True
• started: April 9, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1

returns grokEngines:

• policy: No Returns

general grokEngines:

• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: Remanufactured

shipping grokEngines:

• class: Freight
• service: Flat Rate Freight
• cost: $0.00
• type: Fixed

payments grokEngines:

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

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