SKU: PS6320CT
BluePrint Engines GM Big Block Compatible 632 c.i. Pro Series Engine - 815 Horsepower - Long Block
$15,849.00
632 c.i. 815 Horsepower Long Block

Horsepower & Torque: 815 Horsepower / 800 ft. lbs. Torque

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 11:1

Camshaft: Hydraulic Roller Cam - .698 Intake / .698 Exhaust Lift and 272 Intake / 282 Exhaust Duration @ .050 - 110° LSA

Pistons: Forged

Crankshaft: Steel Crank - 4.750" Stroke and Forged 6.635" Rods

Fuel Recommendation: 91+ Octane

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Overview:

BluePrint Engines unleashes uncompromising big-block domination with our 632 c.i. Pro Series long block, delivering a thunderous 815 horsepower for builders who live at the edge of what cubic inches can do. This behemoth is engineered with Pro Series precision—premium forged internals, meticulous machining, and the bottom-end strength to handle massive torque, high RPM abuse, and serious track-day punishment. As a long block, it provides the ultimate foundation for your choice of induction, ignition, and accessories, giving hardcore enthusiasts a blank canvas built to handle real power. If you’re chasing maximum displacement, brutal horsepower, and pro-grade durability, this 632 is the heart your ultimate build demands.

Description:

  • Horsepower & Torque: 815 Horsepower / 775 ft. lbs. Torque
  • Compression Ratio: 11.0:1
  • BluePrint Engines Aluminum Heads
  • 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!
  • Must ensure your Intake Manifold is Machined to use Standard Length Distributor
  • Tall Deck (Cylinder Deck is Approx .400 taller / Wider than OEM Block)
  • Mech Fuel Pump Provision: Yes
  • 1-Piece Rear Main Seal
  • 4-Bolt Main
  • 4.600" Bore

Rotating Assembly:

  • BluePrint Forged Crankshaft
  • 4.750" Stroke
  • Forged H-beam 6.635" Connecting Rods
  • Forged Pistons
  • Internally Balanced Front and Rear

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - PS8012
  • 119cc Chamber
  • 2.30" Intake / 1.88" Exhaust Valves
  • 358cc Intake / 125cc Exhaust Runners
  • Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting

Cam Specs:

  • Hydraulic Roller
  • .698 Intake / .698 Exhaust Lift
  • 272 Intake / 282 Exhaust Duration 
  • @.050-110 Degree Lobe Separation

Also Includes:

  • Fuel Pump Block Off Plate
  • Harmonic Balancer
  • BluePrint Dipstick
  • Timing Cover
  • Valve Covers
  • Oil Pump
  • Oil Pan

Notes:

  • Not for use in pollution-controlled vehicles.
  • This engine features .300 raised exhaust ports and .400 deck height increase over OEM.
  • Must verify clearance of exhaust, shift linkage, steering components etc. before ordering.
  • To use a standard distributor, as listed below, ensure your intake manifold is machined for standard length distributor. Recommended Intake BPP572632INT.

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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