BluePrint Engines GM 400 C.I.D. 508 HP Dressed Long Block Crate Engine – BP4002CTC1DK
Massive Torque. Proven Durability. Legendary Chevy Power.
The BluePrint GM 400 C.I.D. 508 HP Crate Engine (BP4002CTC1DK) is the perfect blend of raw performance and reliable craftsmanship. Built on a 400 cubic inch cast iron block, this long block is packed with premium internals and topped with high-flow aluminum heads, producing an asphalt-melting 508 horsepower and 509 ft.-lbs. of torque. It’s a serious upgrade for hot rods, muscle cars, street machines, or trucks needing street/strip-ready muscle with daily drivability.
🧩 Key Specifications
| Specification | Details |
|---|---|
| Engine Family | Chevy Small Block |
| Displacement | 400 C.I.D. / 6.6L |
| Horsepower | 508 HP |
| Torque | 509 ft.-lbs. |
| Compression Ratio | 10.3:1 |
| Block Material | Cast Iron |
| Cylinder Head Material | Aluminum |
| Camshaft | Hydraulic Roller (OE-style) |
| Crankshaft | Forged Steel (Internally/Externally Balanced) |
| Pistons | Hypereutectic |
| Rods | Forged I-beam |
| Rear Main Seal | 1-piece |
| Fuel System | Carbureted |
| Water Pump Style | Long |
✅ What’s Included
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BluePrint Cast Iron 400 Block (4-bolt mains)
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BluePrint Aluminum Cylinder Heads (High-Flow)
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Hydraulic roller camshaft
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Forged rotating assembly
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Carburetor & Intake Manifold
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Distributor, Spark Plugs, and Wires
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Oil Pan, Valve Covers, and Timing Cover
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Water Pump and Harmonic Balancer
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Air Cleaner Assembly
Dyno Tested & Certified: Each engine is dyno-tested before shipping. A dyno sheet is included with your engine!
🔧 Ideal Applications
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Classic Chevy Muscle Cars (Camaro, Chevelle, Nova, El Camino)
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Hot Rods & Street Rods
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Classic Pickup Truck Builds
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Restomods
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Pro-Street and Drag Applications
💪 Why Choose the BluePrint BP4002CTC1DK?
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Turnkey Power: Ready-to-run engine with all major components pre-installed
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Affordable Muscle: Delivers over 500 horsepower without breaking the bank
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Streetable Performance: Runs on premium pump gas with reliable cooling and tuning
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Expertly Built: Each engine is hand-assembled and quality-checked in the USA
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Backed by Warranty: 30-Month / 50,000-Mile Warranty from BluePrint Engines
📈 Internal Links for Funnel Support
🧠 Frequently Asked Questions
Q: Is this a direct replacement for a 350 small block?
A: Yes, with minor clearance checks. It shares the same mounts and bellhousing pattern, though you’ll want to confirm exhaust and hood clearance due to intake height.
Q: What fuel octane should I use?
A: 91+ octane premium unleaded is recommended to maximize performance and prevent detonation.
Q: Is this engine street legal?
A: Yes, for off-road and custom builds. Please check with your state’s emissions requirements before installation.
🏁 Ready to Drop 500+ HP in Your Build?
With the BluePrint BP4002CTC1DK, you’re getting race-ready power with street-driven reliability—all backed by one of the most trusted names in performance engines. Add to cart now or contact our performance experts at X Factors Motorsports for install tips, upgrades, and shipping details.
