SKU: BC408KB727
BluePrint Engines Chrysler Small Block Compatible 408 C.I. Standard Edition - 727 Automatic Transmission - Black Pulley Kit - Carbureted
$16,149.00
408 c.i. 465 Horsepower

Horsepower & Torque: 465 Horsepower / 494 ft. lbs. Torque

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller Cam - .544 Intake / .541 Exhaust Lift and 236 Intake / 242 Exhaust Duration @ .050 – 110 LSA

Pistons: Forged

Crankshaft: Cast Crank – 4.000" Stroke and Forged 6.123" Rods

Fuel Recommendation: 91+ Octane

Secure Payments
Financing available at checkout with Affirm

Overview:

This BluePrint Engines crate engine package delivers 465 horsepower and 494 ft-lbs. of torque with a street-friendly 10:1 compression ratio, combining classic muscle with modern reliability. It features aluminum heads, a performance roller cam, forged pistons, and a durable cast crankshaft, all topped with a Holley 750cfm Classic Carburetor for strong throttle response and proven street performance. Paired with a performance-built 727 transmission and a 10-inch torque converter featuring a 2200–2600 RPM stall, this setup is built for crisp acceleration and drivability. The package includes all the essentials—thermostat and housing, fuel pump and line, spark plugs and wires, starter, distributor, air cleaner, harmonic balancer, timing cover, valve covers, oil pan, and a high-flow water pump. A polished/black front accessory drive system finishes it off with show-quality style, including a Type II power steering pump with remote reservoir, 140-amp 1-wire alternator, and 7B10 peanut-style A/C compressor, making this a complete, ready-to-run drivetrain solution for any serious street build.

Description:

  • Horsepower & Torque: 465 Horsepower / 494 ft. lbs. Torque
  • Compression Ratio: 10:1
  • BluePrint Engines Assembled Edelbrock Castings Heads
  • BluePrint Engines Roller Cam
  • BluePrint Engines Cast Crank
  • BluePrint Engines Forged Pistons

Block:

  • Hand-Picked Seasoned Magnum Block
  • Square and Parallel Decked
  • Align Honed Main Bearing Bore
  • Cylinders Honed on Computer Controlled Machine to Within .0002 Straightness and Roundness
  • Cylinders are Sonic Tested for Thickness
  • 2-Bolt Main
  • 4.040" Bore
  • 2-Piece Rear Main Seal
  • Mech Fuel Pump Provision: Yes

Rotating Assembly:

  • Cast Crankshaft
  • 4.000" Stroke
  • Forged Magnum 6.123" Connecting Rods w/ 150,000 PSI Bolts
  • Forged Pistons
  • Externally Balanced Front and Rear

Cylinder Heads:

  • BluePrint Engines Assembled and Machined Edelbrock 61769 Casting
  • Aluminum Magnum Pattern Cylinder Heads - 58cc chamber
  • Aluminum Roller Rockers
  • 2.02" intake / 1.60" Exhaust Valves
  • 176cc intake / 75cc Exhaust Runners

Cam Specs:

  • Roller Cam
  • .544 Intake / .541 Exhaust Lift
  • 236 Intake / 242 Exhaust Duration
  • @.050-110 Degree Lobe Separation

Ignition Timing:

  • 34 Degrees Total at 4000 RPM

Also Includes:

  • Edelbrock Performance Air Gap Dual Plane Intake - BPP7577
  • Holley 750cfm Classic Carburetor - BPP080508S
  • Pro-Series Ready Run Distributor - BPP3603BK
  • Ignition Coil 45k Volt - BPP82021BK
  • Thermostat and Thermostat Housing
  • BluePrint Engines Dipstick - BPP9224
  • Mopar Harmonic Balancer - BPP360
  • 14" BluePrint Logo'd Air Cleaner
  • Spark Plugs - BPP7938
  • Fuel Pump - BPP6270
  • Oil Pump and Oil Pan
  • Spark Plug Wires
  • Tall Valve Covers
  • Timing Cover
  • Fuel Line
  • Black Front Accessory Drive Water Pump
    • Type II Power Steering Pump
    • Remote Power Steering Pump Reservoir
    • 140amp 1-wire Alternator
    • 7B10 Peanut Style Air Conditioning Compressor

Assembled with Complete Heavy Duty, 727 Automatic Transmission Package:

  • 10in 2200-2400 Stall Torque Converter
  • Heavy Duty Flex Plate - BPP727360
  • Mini Starter
  • Gear Ratio:
    • 1st Gear: 2.45:1
    • 2nd Gear: 1.45:1
    • 3rd Gear (Direct Drive): 1.00:1
    • Reverse: 2.21:1 

Notes:

  • 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.
  • Non-A/C front accessory drives are also available.

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.

We're Here to Help!

Our team of experts is standing by ready to help you.

Contact Us
Contact Us
Contact Us
By clicking 'Accept All' you consent that we may collect information about you for various purposes, including: Statistics and Marketing