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Horsepower & Torque: 410 Horsepower / 422 ft. lbs. Torque
Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads
Compression Ratio: 9:1
Camshaft: Hydraulic Roller Cam - .495 Intake / .502 Exhaust Lift and 220 Intake / 224 Exhaust Duration @ .050 - 114° LSA
Pistons: Hypereutectic
Crankshaft: Cast Crank - 3.750" Stroke and 5.700" Rods
Fuel Recommendation: 87+ Octane
- Description
- Engine Specs
- Parts & Accessories
- Warranty
Overview:
This Small Block Chevy–compatible engine combines a 4.000" bore with a 3.750" stroke to deliver a crisp-revving, torque-rich performance package built for street and weekend warriors alike. Matched with a Holley Classic 750cfm carburetor, it offers instant throttle response, strong mid-range pull, and the timeless drivability enthusiasts expect from a well-sorted carbureted setup. Precision machining, quality components, and a builder-friendly design make this SBC platform an ideal foundation for anyone looking to upgrade to a modern-spec, high-energy small-block that still delivers that classic Chevy feel.
Description:
- Horsepower & Torque: 410 Horsepower / 422 ft. lbs. Torque
- Compression Ratio: 9.0:1
- BluePrint Engines Aluminum Heads
- BluePrint Engines Hydraulic Roller Cam
- BluePrint Engines Hypereutectic Pistons
- BluePrint Engines Cast Crankshaft
Block:
- BluePrint Engines High Strength Cast Iron Block
- Drilled and Tapped for Clutch Linkage
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- 1-Piece Rear Main Seal
- 4-Bolt Main
- 4.000" Bore
Rotating Assembly:
- Cast Crankshaft
- 3.750" Stroke
- 5.700" Connecting Rods w/ 150,000 PSI Bolts
- Hypereutectic Pistons
- Externally Balanced Front and Rear
Cylinder Heads:
- BluePrint Aluminum Cylinder Heads - H8002K
- 64cc Chamber
- 2.02" Intake / 1.60" Exhaust Valves
- 195cc Intake / 75cc Exhaust Runners
Cam Specs:
- Hydraulic Roller
- .495 Intake / .502 Exhaust Lift
- 220 Intake / 224 Exhaust Duration
- @ .050-114 Degree Lobe Separation
Ignition Timing:
- 34 Degrees Total at 3500 RPM
Also Includes:
- Holley Classic 750cfm Carburetor
- Dual Plane Aluminum Intake Manifold - BPP350VINT
- BluePrint Engines Valve Covers - BPP9518
- HEI Distributor - BPP350RBK
- BluePrint Dipstick - BPP9420
- Timing Cover
- Oil Pump
- Oil Pan
Notes:
- Specifically built for use with 87 octane fuel.
- This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
- Not for EGR.
- The Aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake mounted bosses.
- The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.
Blocks
- BluePrint Engines High Strength Cast Iron Block
- Drilled and Tapped for Clutch Linkage
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- 1-Piece Rear Main Seal
- 4-Bolt Main
- 4.000" Bore
Cylinder Heads
- BluePrint Aluminum Cylinder Heads - H8002K
- 64cc Chamber
- 2.02" Intake / 1.60" Exhaust Valves
- 195cc Intake / 75cc Exhaust Runners
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
- Cast Crankshaft
- 3.750" Stroke
- 5.700" Connecting Rods w/ 150,000 PSI Bolts
- Hypereutectic Pistons
- Externally Balanced Front and Rear
Cam Specs
- Hydraulic Roller
- .495 Intake / .502 Exhaust Lift
- 220 Intake / 224 Exhaust Duration
- @ .050-114 Degree Lobe Separation
Stall Converter
2000-2400 RPM
Also Includes
- Holley Classic 750cfm Carburetor
- Dual Plane Aluminum Intake Manifold - BPP350VINT
- BluePrint Engines Valve Covers - BPP9518
- HEI Distributor - BPP350RBK
- Timing Cover
- Oil Pan
Notes
- Specifically built for use with 87 octane fuel.
- This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
- Not for EGR.
- The Aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake mounted bosses.
- The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.
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 | Dual Plane Aluminum Intake Manifold - BPP350VINT |
|---|---|
| Spark Plug (Not Included) | BPP7938 - NGK 7938 BKR5E |
| Harmonic Balancer (Not Included) | BPP400L |
| Flexplate/Flywheel (Not Included) | BPP871006 - BPP399173 - BPP300116 |
| Fuel Recommendation | 87+ Octane |
| Recommended Service Oil | BPP10W30 |
| Recommended Oil Filter | BPP51061 |
| Total Oil Capacity with Production Oil Pan, and Correct Filter | 5 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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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.