Buy BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Dressed Long Block Crate Engines Online
Experience unparalleled big-block power with the BluePrint Engines Pro Series Chevy 502, delivering a massive 621 HP and 612 ft.-lbs. of torque right out of the box. Engineered for those who demand elite street performance and reliability, this fully dressed long block is ready to transform your build today—order now from Electrical Marine Solutions.
When it comes to legendary muscle, nothing beats the Chevy 502 big block. The BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Dressed Long Block Crate Engines represent the pinnacle of high-displacement engineering. Designed for enthusiasts who want to skip the machine shop and head straight to the track or the street, this Chevrolet 502 crate motor arrives fully assembled and dyno-tested.
Whether you are upgrading a classic muscle car or looking for a reliable Chevy 502 crate motor for a custom project, this engine provides the massive low-end torque and high-RPM horsepower that only a 502 crate motor can deliver. By choosing a Chevy 502 crate engine, you eliminate the guesswork of component matching, ensuring every part—from the aluminum heads to the hydraulic roller cam—works in perfect harmony.
Overview
- Brand: BluePrint Engines
- Manufacturer’s Part Number: PS502CTC
- Part Type: Crate Engines
- Product Line: BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Dressed Long Block Crate Engines
- Summit Racing Part Number: MLL-PS502CTC
- UPC: 00887753800091
- Crate Engine Family: Chevy Big Block
- Actual Engine Displacement: 8.2L/502
- Crate Engine Cylinder Head Material: Aluminum
- Engine Block Material: Cast iron
- Advertised Compression Ratio: 10.0:1
- Assembled: Yes
- Engine Balance: Internal
- Cam Style: Hydraulic roller, OE roller
- Rear Main Seal Style: 1-piece
- Intake Manifold Included: Yes
- Intake Manifold Style: Carbureted
- Cylinder Heads Included: Yes
- Carburetor Included: Yes
- Throttle Body Included: No
- Distributor Included: Yes
- Oil Pan Included: Yes
- Valve Covers Included: Yes
- Timing Cover Included: Yes
- Water Pump Included: No
- Harmonic Balancer Included: Yes
- Flexplate Included: No
- Flywheel Included: No
- Air Cleaner Included: No
- Spark Plugs Included: Yes
- Spark Plug Wires Included: Yes
- Computer Included: No
- Wiring Harness Included: No
- Supercharger Included: No
- Remanufactured: No
- Quantity: Sold individually.
BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Dressed Long Block Crate Engines
Blueprint Pro Series is for those wanting maximum horsepower and durability.
BluePrint Engines Pro Series Chevy 502 c.i.d. 621 hp dressed long block crate engines offer any custom builder, hot rodder, or kit car builder an engine that has been fully dyno tested, passed vigorous inspections, and is ready to power up your project.
Blueprint’s Pro Series 502 big block GM-style engines are dressed with carburetor, aluminum heads, forged pistons, forged crankshaft, and a hydraulic roller cam.
Additional features:
* Standard deck with 4-bolt main
* Forged H-beam connecting rods
* Cylinder head specs:
— 119cc chamber
— 2.30 in. intake / 1.88 in. exhaust valves
— 316cc intake / 124cc exhaust runners
* Camshaft specs:
— .647 intake / .647 exhaust
— 248 intake / 254 exhaust duration
— at .050 – 112 degree lobe separation
* Dyno test results shipped with the engine
Why Choose the Pro Series 502?
Choosing this Chevrolet 502 crate engine means investing in precision. Unlike standard rebuilds, this engine is built in a state-of-the-art facility to tolerances that often exceed original factory standards. It offers a significant power jump over the standard 6.2 Ls3 crate engine or Ls3 6.2 crate engine options, catering to those who prefer the classic look and raw sound of a big block. While a 6.2 L engine is excellent for modern swaps, the 502 provides the sheer displacement and torque curve that “no replacement for displacement” fans crave.
Frequently Asked Questions
Does this engine come with a warranty?
Yes, all BluePrint Engines are backed by a limited warranty to ensure your peace of mind and long-term satisfaction.
Is the dyno sheet included?
A: Absolutely. You will receive the actual dyno results from your specific engine’s test run.
Can this be used in marine applications?
While designed primarily for street/strip use, please contact our support at Electrical Marine Solutions to discuss specific cooling and brass freeze plug requirements for marine environments.
Secure Your Build Today
Due to high demand for the BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Dressed Long Block Crate Engines, stock is limited. Upgrade your vehicle with professional-grade power and a quality guarantee.

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