BluePrint Engines
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BluePrint Engines GM Small Block Compatible 400 c.i. Engine - 500 HP - Long Block
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BluePrint Engines GM Small Block Compatible 400 c.i. Engine - 500 HP - Long Block
Experience the power of 500 HP and 500 FT LBS of torque with our American-made BluePrint Engine!
BluePrint Engines GM Small Block Compatible 400 c.i. Engine - 500 HP - Long Block
Item #: 109486764

BluePrint Engines GM Small Block Compatible 400 c.i. Engine - 500 HP - Long Block

Item #: 109486764

XCD 29404

Price Details

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*All items will import from US

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Order now and get it around Friday, July 10
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Experience the power of 500 HP and 500 FT LBS of torque with our American-made BluePrint Engine!
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What Stands Out

High Performance
Delivers an impressive 500 HP, designed for serious automotive enthusiasts looking to upgrade their GM small block engines for maximum performance and acceleration.
Durable Construction
Engineered with high-quality materials ensuring longevity and reliability, making it ideal for both daily driving and competitive racing applications.
Easy Installation
Comes as a long block assembly, simplifying installation for mechanics and hobbyists alike, reducing downtime while maximizing power output.

Product Details

Shop BluePrint Engines GM Small Block Compatible 400 c.i. Engine - 500 HP - Long Block online at a best price in Saint Kitts and Nevis. B0DLLR4FNJ
Item Weight540 lbs (244.94 kg)

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Ideal for those seeking high horsepower and performance upgrades for their classic or muscle cars.

  • Engine Rebuilders

    Perfect choice for professionals looking to replace or rebuild engines with a high-quality long block option.

  • Custom Project Builders

    Great for hobbyists building custom projects that require a powerful and reliable engine for optimal performance.

Not Suitable For
  • Casual Drivers

    Not suitable for everyday drivers who prioritize fuel efficiency over high performance and horsepower.

  • Budget-Conscious Buyers

    This engine may not fit within the budgets of those looking for more economical engine options.

  • Low-Power Applications

    Inefficient for users needing lower horsepower for light-duty applications or smaller vehicles.

Product Description

BluePrint Engines GM Small Block Compatible 400 c.i. Engine - 500 HP - Long Block

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What makes the BluePrint Engines GM Small Block 400 c.i. Engine special?

    Answer: The BluePrint Engines GM Small Block 400 c.i. Engine delivers an impressive 500 HP, making it a powerful choice for performance enthusiasts. Crafted to exacting standards, this long block engine is designed for optimal compatibility with classic GM vehicles, ensuring a perfect fit and enhanced performance. This engine can easily handle high-performance applications, such as drag racing or muscle car rebuilds, making it ideal for car aficionados aiming for both speed and reliability.
  • Question: Is the BluePrint Engines 400 c.i. Engine suitable for street use?

    Answer: Yes, the BluePrint Engines 400 c.i. Engine is suitable for both street and track use. With its robust construction and high horsepower output, it provides a thrilling driving experience on the road while also being race-ready. Many customers have successfully installed this engine in their classic cars for daily driving, blending performance with usability, ensuring it can withstand regular use without sacrificing power or reliability.
  • Question: What are the horsepower and torque specifications of this engine?

    Answer: The BluePrint Engines 400 c.i. Long Block is rated at 500 HP, with torque figures typically exceeding 500 lb-ft. This high level of torque provides exceptional acceleration and power delivery, especially in heavy vehicles. Many performance enthusiasts prefer this engine for drag racing setups or muscle cars, where both horsepower and torque are essential for enhancing performance and achieving faster lap times.
  • Question: What components come with the Long Block version of this engine?

    Answer: The Long Block version of the BluePrint Engines 400 c.i. Engine includes the engine block, cylinder heads, and necessary components such as the camshaft and timing chain. However, it does not include accessories like the oil pan, intake, or alternator. This configuration allows for customization, letting users fit their choice of components to suit their specific project needs, whether building a classic hot rod or a contemporary street machine.
  • Question: Can I use this engine with my existing transmission?

    Answer: Yes, the BluePrint Engines 400 c.i. Engine can be mated with various GM transmissions, including popular options like TH350 and TH400. This compatibility allows car builders to pair the engine with their existing drivetrain components without the need for extensive modifications. If you're undertaking a project with a classic Chevy, this engine can seamlessly integrate, enhancing both performance and reliability.
  • Question: What fuel type is recommended for this engine?

    Answer: The BluePrint Engines 400 c.i. Engine is designed to run optimally on premium unleaded fuel. Using high-octane fuel helps prevent knocking, which is crucial for maximizing engine performance and longevity. Owners of high-performance cars often prefer premium fuel, ensuring that they extract the maximum potential from their engines, especially during aggressive driving conditions like racing or spirited drives.
  • Question: What specific maintenance does this engine require?

    Answer: The BluePrint Engines 400 c.i. Engine, like any high-performance engine, benefits from regular maintenance practices. This includes routine oil changes with synthetic oil, checking fluid levels, and regular inspection of all components, especially during heavy use. Proper maintenance is key to ensuring consistent performance and extending the engine's life, which is particularly important for enthusiasts who use their engines in demanding driving scenarios.
  • Question: What kind of performance upgrades can I make with this engine?

    Answer: The BluePrint Engines 400 c.i. Engine is highly customizable, allowing for various performance upgrades. Common modifications include upgrading the intake manifold for improved airflow, adding high-performance headers, or installing a more aggressive camshaft. These enhancements can significantly boost the engine's output, making it ideal for track days or car shows. Many enthusiasts enjoy personalizing their setups to reflect their performance aspirations, transforming an already powerful engine into a true powerhouse.
  • Question: How does this engine compare to other small block engines?

    Answer: Compared to other small block engines, the BluePrint Engines 400 c.i. stands out due to its high horsepower rating and torque output. While many small blocks offer good performance, this specific engine's design focuses on maximizing both power and reliability, making it a favorite among serious car builders. This makes it a strong candidate for anyone looking to upgrade their vehicle's performance while enjoying the iconic small block legacy.
  • Question: Where can I buy BluePrint Engines GM Small Block Compatible 400 c.i. Engine - 500 HP - Long Block?

    Answer: You can buy the BluePrint Engines GM Small Block Compatible 400 c.i. Engine - 500 HP - Long Block on Ubuy. Ubuy provides access to a range of automotive parts and caters to customers, ensuring a convenient shopping experience for enthusiasts looking to upgrade their vehicles with high-performance components.

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Mohd
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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”

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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XCD 29404

Order now and get it around Friday, July 10

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • High performance with 500 HP and 500 FT LBS of torque.
  • Crafted with a new BluePrint cast iron block for durability.
  • Features advanced aluminum cylinder heads for superior airflow and efficiency.
  • Forged crankshaft and pistons ensure long-lasting performance.
  • Easy installation with provisions for mechanical fuel pump and clutch linkage.
  • Manufactured and machined in the USA, guaranteeing quality.