SKU: PS502CTCK
BluePrint Engines GM Big Block Compatible 502 c.i. Pro-Series Engine - 627 Horsepower - Deluxe Dressed -Polished Pulley Kit - Carbureted
$13,949.00
502 c.i. 621 Horsepower Deluxe Dress

Horsepower & Torque: 627 Horsepower / 569 ft. lbs. Torque

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10.1:1

Camshaft: Hydraulic Roller Cam - .647 Intake / .647 Exhaust Lift and 248 Intake / 254 Exhaust Duration @.050-112° LSA

Pistons: Forged

Crankshaft: Steel Crank - 4.000" Stroke and Forged 6.385" Rods

Fuel Recommendation: 91+ Octane

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Financing available at checkout with Affirm

Overview:

BluePrint Engines delivers show-stopping power and stand-out style with our 502 c.i. Pro-Series deluxe dressed big block, pumping out a fierce 627 horsepower in a fully equipped, carbureted package. This engine pairs brutal big-block torque with Pro-Series durability, premium internals, precision machining, and the reliability to handle hard pulls and heavy-footed fun. The deluxe dressed setup comes loaded with top-tier accessories and crowned with a polished pulley kit that demands attention every time the hood pops. If you want pro-grade performance, old-school carbureted attitude, and a look that shines as hard as it hits, this 502 is your all-in-one powerhouse.

Description:

  • Horsepower & Torque: 627 Horsepower / 569 ft. lbs. Torque
  • Compression Ratio: 10.1:1
  • BluePrint Engines Aluminum Heads
  • BluePrint Engines Hydraulic Roller Cam
  • BluePrint Engines Forged Crank
  • BluePrint Engines Forged Pistons

Block:

  • BluePrint High Strength Cast Iron Block
  • Manufactured and Machined in the USA!
  • Mech Fuel Pump Provision: Yes
  • 1-Piece Rear Main Seal
  • Standard Deck
  • 4-Bolt Main
  • 4.466" Bore

Rotating Assembly:

  • BluePrint Forged Crankshaft
  • 4.000" Stroke
  • Forged H-beam 6.385" Connecting Rods
  • Forged Pistons
  • Internally Balanced Front and Rear

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads -PS8013
  • 119cc Chamber
  • 2.30" Intake / 1.88" Exhaust Valves
  • 316cc Intake / 124cc Exhaust Runners
  • Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting
  • Must Verify Header / Exhaust Clearance

Cam Specs:

  • Hydraulic Roller
  • .647 Intake / .647 Exhaust Lift
  • 248 Intake / 254 Exhaust Duration
  • @ .050-112 Degree Lobe Separation

Also Includes:

  • Holley 850cfm Double Pumper Carburetor w/ Manual Choke - BPP04781S
  • Single Plane Satin Aluminum Intake Manifold - BPP454540INT
  • Pro Series Ready Run Distributor - BPP3503BK
  • Fuel Pump Block Off Plate - BPP42473
  • Harmonic Balancer - BPP454I
  • BluePrint Valve Covers
  • Spark Plugs and Wires
  • BluePrint Dipstick
  • Timing Cover
  • Oil Pump
  • Oil Pan
  • Polished Pulley Kit - BPP454FDPSAC4
    • Reverse Rotation Short Water Pump
    • 1- Wire 140amp Alternator
    • Peanut Style Air Conditioning Compressor
    • Type II Power Steering Pump with Remote Reservoir

Notes:

  • Not for use in pollution-controlled vehicles
  • Initial advance should be set at 13-16 Degree BTDC. The total advance should be NO MORE than 34 Degree BTDC and Should be reached by about 4000 RM.
  • BluePrint Engines recommends using a distributor with melonized iron or steel gear ONLY on this engine.
  • The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment. Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.

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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