Horsepower & Torque: 541 Horsepower / 519 ft. lbs. Torque
Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads
Compression Ratio: 10:1
Camshaft: Hydraulic Roller Cam - .608 Intake / .608 Exhaust and 248 Intake / 258 Exhaust Duration @ .050 – 114 LSA
Pistons: Forged
Crankshaft: Forged Crank - 4.000" Stroke and Forged 6.250" Rods
Fuel Recommendation: 91+ Octane
- Description
- Engine Specs
- Parts & Accessories
- Warranty
Overview:
BluePrint Engines’ 427 C.I. Ford-compatible small block is built for serious performance, delivering 541 horsepower and 519 ft.-lbs. of torque with the kind of throttle response and torque curve that make any classic Ford come alive. Featuring a hydraulic roller cam, forged pistons, and an internally balanced rotating assembly, this engine is precision-engineered for strength and smooth operation. With a 4.125” bore and 4.0” stroke, it delivers the perfect blend of displacement and durability. Available with a Holley Sniper II EFI system for modern drivability. This 427-small block comes complete with a polished pulley kit for a clean, high-performance front-end finish—bringing legendary power, proven reliability, and unmistakable Ford muscle heritage together in one ready-to-run package.
Description:
- Horsepower & Torque: 541 Horsepower / 519 ft. lbs. Torque
- Compression Ratio: 10.0:1
- 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
- 4-Bolt Main
- 4.125" Bore
- 1-Piece Rear Main Seal
Rotating Assembly:
- Forged Crankshaft
- 4.000" Stroke
- Forged 6.2" Connecting Rods
- Forged Pistons
- Internally Balanced Front and Rear
Cylinder Heads:
- Aluminum Cylinder Heads
- 2.08" Intake / 1.60" Exhaust Valves
- 205cc Intake / 70cc Exhaust Runners
Cam Specs:
- Hydraulic Roller
- .608 Intake / .608 Exhaust Lift
- 248 Intake / 258 Exhaust Duration
- @.050-114 Degree Lobe Separation
Also Includes:
- Holley Sniper 2 EFI System - BPP550-510-3XX
- Single Plane Intake Manifold, Victor
- Pro-Series Ready Run Distributor - BPP3513BK
- BluePrint Logo'd Valve Covers - BPP9237
- Rear Sump Oil Pan
- Timing Cover - BPP302351TC
- 28 oz Harmonic Balancer - BPP28
- Spark Plugs - BPP7938
- Spark Plug Wires
- Black Front Accessory Drive - BPP302FDACPS4BK
- Driver Side Standard Rotation Water Pump
- Type II Power Steering Pump
- Remote Power Steering Pump Reservoir
- 140amp 1-wire Alternator
- 7B10 Peanut Air Conditioning Compressor
Notes:
- Holley Sniper EFI is NOT compatible with AOD trans. It does NOT have AOD kick down lever.
- Engine timing cover is designed for standard rotation water pump and Pulley Kits ONLY.
- 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.
Blocks
- BluePrint Engines' High Strength Cast Iron Block
- 4-Bolt Main
- 4.125" Bore
- 1-Piece Rear Main Seal
Cylinder Heads
- Aluminum Cylinder Heads
- 2.08" Intake / 1.60" Exhaust Valves
- 205cc Intake / 70cc Exhaust Runners
Ignition Timing
Initial Timing 10-16 - Total Timing 32-34
Spark Plug
.035 in.
Firing Order
1,3,7,2,6,5,4,8
Rotating Assembly
- Forged Crankshaft
- 4.000" Stroke
- Forged 6.2" Connecting Rods
- Forged Pistons
- Internally Balanced Front and Rear
Cam Specs
- Hydraulic Roller
- .608 Intake / .608 Exhaust Lift
- 248 Intake / 258 Exhaust Duration
- @.050-114 Degree Lobe Separation
Stall Converter
2200+ RPM
Also Includes
- Holley Sniper 2 EFI System - BPP550-510-3XX
- Single Plane Intake Manifold, Victor
- Pro-Series Ready Run Distributor - BPP3513BK
- BluePrint Logo'd Valve Covers - BPP9237
- Rear Sump Oil Pan
- Timing Cover - BPP302351TC
- 28 oz Harmonic Balancer - BPP28
- Spark Plugs - BPP7938
- Spark Plug Wires
- Black Front Accessory Drive - BPP302FDACPS4BK
- Driver Side Standard Rotation Water Pump
- Type II Power Steering Pump
- Remote Power Steering Pump Reservoir
- 140amp 1-wire Alternator
- 7B10 Peanut Air Conditioning Compressor
Notes
- Holley Sniper EFI is NOT compatible with AOD trans. It does NOT have AOD kick down lever.
- Engine timing cover is designed for standard rotation water pump and Pulley Kits ONLY.
- 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.
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 Intake Manifold, Victor |
|---|---|
| Spark Plug | BPP7938 - NGK 7938 BKR5E |
| Harmonic Balancer | 28 oz Harmonic Balancer - BPP28 |
| Flexplate/Flywheel (Not Included) | BPPF157T28 - BPP529625 |
| Fuel Recommendation | 91+ Octane |
| Recommended Service Oil | BPP10W30 |
| Recommended Oil Filter | BPP21085 - BPP51515 |
| Total Oil Capacity with Production Oil Pan, and Correct Filter | 9 Quarts |
Header Partners:
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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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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.