Chrysler Small Block Compatible 408 c.i. Engine - 465 Horsepower - Long Block

Overview:

This BluePrint Engines powerplant delivers a strong 465 horsepower and 494 ft-lbs. of torque with a street-friendly 10:1 compression ratio, making it an excellent choice for hot rods, muscle cars, and street/strip builds. It’s equipped with lightweight aluminum heads for improved airflow and cooling, a performance roller cam for enhanced lift and durability, and a cast crankshaft paired with forged pistons to provide a solid foundation for dependable power. Finished with valve covers, an oil pan, and a timing cover, this engine is a well-rounded, ready-to-run package built for reliable performance and classic V8 sound.

Description:

• Horsepower & Torque: 465 Horsepower / 494 FT. LBS. Torque
  
• Compression Ratio: 10:1
• Aluminum Heads
• Roller Cam
• Cast Crankshaft
  
• 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 Runner
  

Cam Specs:

• Cam Type: Roller
• .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:

• Valve Covers
• Oil Pan
• Timing Cover

Notes:

• Not for use in pollution-controlled vehicles.
• Required Magnum Pattern intake manifold. Tested with BPP7577
• If installing with a Manual Transmission with .750" input shaft, Recommended Pilot bearing is PN FC-69907.
• Recommended Pilot OD is 1.81"