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
- Description
- Engine Specs
- Parts & Accessories
- Warranty
Overview:
BluePrint Engines unleashes classic big-block fury with our 502 c.i. Pro-Series base-dressed engine, delivering 627 horsepower in a clean, carbureted package built for serious street and strip performance. This Pro-Series powerhouse is assembled with premium internals, precision machining, and the rugged durability needed to handle big throttle, big load, and big fun. The base-dressed configuration gives you the essential components you need for a straightforward install while still leaving room to tailor your build exactly how you want it. If you’re after massive torque, old-school carb simplicity, and pro-grade big-block strength, this 502 is ready to light up your project.
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
Notes:
- Not for use in pollution-controlled vehicles.
Blocks
- 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
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
Ignition Timing
Initial Timing 10-16 - Total Timing 32-34
Spark Plug
.035 in.
Firing Order
1,8,4,3,6,5,7,2
Rotating Assembly
- BluePrint Forged Crankshaft
- 4.000" Stroke
- Forged H-beam 6.385" Connecting Rods
- Forged Pistons
- Internally Balanced Front and Rear
Cam Specs
- Hydraulic Roller
- .647 Intake / .647 Exhaust Lift
- 248 Intake / 254 Exhaust Duration
- @ .050-112 Degree Lobe Separation
Stall Converter
2200+ RPM
Also Includes
- Holley 850cfm Double Pumper Carburetor w/ Manual Choke - BPP04781S
- 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
Notes
Not for use in pollution-controlled vehicles.
Your BluePrint engine was dyno tested with the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.
Parts & Accessories Specs
| Intake Manifold | Single Plane Satin Aluminum Intake Manifold - BPP454540INT |
|---|---|
| Spark Plug | BPP7938 - NGK 7938 BKR5E |
| Harmonic Balancer | BPP454I |
| Flexplate/Flywheel (Not Included) | BPP168T2P - BPP460130 |
| Fuel Recommendation | 91+ Octane |
| Recommended Service Oil | BPP10W30 |
| Recommended Oil Filter | BPP51061 |
| Total Oil Capacity with Production Oil Pan, and Correct Filter | 8 Quarts |
Header Partners:
- Click Here for our Header Partners and recommendations.
Better Than the Rest.
The satisfaction of our customers is our highest priority at BluePrint Engines. Every engine we build is assembled with premium components, balanced to within two grams, and dyno-tested to verify real horsepower and torque before it leaves our facility.
All BluePrint products include warranty protection designed specifically for how they're used. Our complete crate engines carry our industry-leading 30-month / 50,000-mile warranty, offering the confidence and peace of mind serious builders expect. Other BluePrint products—including bare blocks, marine engines, transmissions, race applications, and cylinder heads—feature warranty coverage tailored to their intended use and operating conditions.
For full terms and specific coverage by product category, download our warranty guide below. It contains complete details, limitations, and instructions for warranty registration and claims.
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Protect your investment by registering your warranty today. Register below to ensure coverage and stay up to date on important service information.
Register NowEVERY 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.