SKU: BP4002
BluePrint Engines GM Small Block Compatible 400 c.i. - 500 Horsepower - Short Block
$0.00
400 c.i. 500 Horsepower Short Block

Horsepower & Torque: 500 Horsepower / 510 ft. lbs. Torque

Compression Ratio: 10.3:1 with 64 cc heads and .041 in. Head Gasket

Camshaft: Hydraulic Roller Cam - Lift with 1.6 Rockers - .553 Intake / .575 Exhaust Lift and 236 Intake / 242 Exhaust Duration @ .050 - 110° LSA

Pistons: Forged

Crankshaft: Forged Crank - 3.750" Stroke and 5.700" Rods

Fuel Recommendation: 91+ Octane

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Financing available at checkout with Affirm

BluePrint BP4002 GM Small Block Compatible performance short block engine have been dyno tested at our factory with a Holley Classic 850cfm Carburetor and HP8103 Cylinder heads and produced 500 horsepower and 510 minimum torque. Not every BP4002 is Dyno tested. This performance shows the capabilities of this engine. Performance may vary depending upon what cylinder heads, fuel system and intake manifold you choose. This is a fully customizable engine.

Description:

  • Horsepower & Torque: 500 Horsepower / 510 ft. lbs. Torque
  • Compression Ratio: 10.3:1
  • BluePrint Engines Hydraulic Roller Cam
  • BluePrint Engines Forged Crank
  • BluePrint Engines Forged Pistons

Block:

  • BluePrint Engines High Strength Cast Iron Block
  • Manufactured and Machined in the USA!
  • Drilled and Tapped for Clutch Linkage
  • Mech Fuel Pump Provision: Yes
  • Passenger Side Dipstick
  • 1-Piece Rear Main Seal
  • 4-Bolt Main
  • 4.125" Bore

Rotating Assembly:

  • BluePrint Forged Steel Crankshaft
  • 3.750" Stroke
  • 5.700" Connecting Rods w/ 150,000 PSI Bolts
  • Forged Pistons
  • Internally Balanced Front / Externally Balanced Rear 

Cam Specs:

  • Hydraulic Roller
  • .553 Intake / .576 Exhaust Lift
  • 236 Intake / 242 Exhaust Duration
  • @ .050-110 Degree Lobe Separation

WARNING: Cancer and Reproductive Harm
Bragging Rights Included.

EVERY BLUEPRINT ENGINE ACES THE DYNO TEST

We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer in our in-house dyno testing rooms to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That’s precisely why our engines sound and run better than our competitors.

All specs, zero speculation: A comprehensive, dyno-generated printout showing your critical engine specs will accompany your delivered engine — every time. No more guessing or wondering what your installed engine’s real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash ‘em your exact engine’s dyno results.

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