BPF4089CTC BluePrint Engines 408CI 450HP Stroker Crate Engine Carbureted

HP & Torque: 450 HP / 470 FT LBS
Compression Ratio: 9.8:1
Aluminum Heads
Hydraulic Roller Cam
Cast Steel Crank
Forged Pistons

Block:

Hand picked seasoned block
Square and parallel decked
Line 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
4.000" Bored
1-Piece Rear Main Seal
Mech fuel pump provision: yes

Rotating Assembly:

New Cast steel crankshaft
4.000" Stroke
Forged I-Beam 6.200" connecting rods
Forged Pistons
External 28 Oz. Balance front and rear

Cylinder Heads:

BluePrint Aluminum Cylinder Heads -HP9009
60cc chamber
2.02" intake/1.60" exhaust valves
90cc intake/65cc exhaust runners

Cam Specs:

Roller
.579 Intake / .579 Exhaust
236 Intake / 248 Exhaust duration @ .050 - 114 degree lobe separation

Ignition Timing:

34 degrees total at 3500 RPM

Also Includes:

Intake manifold
Distributor
Carburetor
Oil pan, timing cover and valve covers
Dyno tested and shipped with results

Warranty:

30 month / 50,000 mile