Horsepower & Torque: 465 Horsepower / 494 FT. LBS. Torque

Cylinder Heads: BluePrint Engines Assembled, Edelbrock Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller - .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

Overview:

BluePrints BPC4085CT Chrysler Small Block Compatible performance crate engines are dyno tested with a Holley Classic 750cfm Vacuum Secondary Carburetor w/ Manual Choke. This produces 465 horsepower and 494 ft. lbs. torque. This engine 408ci Stroker Engine comes with Dipstick, Oil Pan, Timing Cover, Valve Covers, and Edelbrock Aluminum Heads. This engine will require a Magnum Pattern Intake Manifold (Tested with BPP7577).

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"