BluePrint Crate Engine - SBF 408 425HP Dressed Model BPF4089CTC

Skip the guesswork and assembly labor—the BluePrint SBF 408 arrives fully dressed and dyno-tuned to deliver 450 hp and 470 ft-lbs of torque. This hand-assembled crate engine combines precision machining with forged internals, giving you a reliable, bolt-in power plant that's ready to bolt to your transmission and fire up. Whether you're building a street machine or a weekend warrior, this engine eliminates months of sourcing, machine work, and testing.

BLOCK & MACHINING

• Hand-selected, seasoned block
• Squared and parallel decked
• Line-honed main bearing bore
• Computer-honed cylinders (.0002" tolerance)
• Sonic-tested wall thickness
• 4.000" bore diameter
• 1-piece rear main seal
• 2-bolt main caps
• Mechanical fuel pump provision

ROTATING ASSEMBLY

• New steel crankshaft
• 4.000" stroke
• Forged I-beam rods (6.200")
• Forged pistons
• 28 oz. external balance
• 9.8:1 compression ratio

CYLINDER HEADS & VALVETRAIN

• BluePrint aluminum heads (HP9009)
• 60cc combustion chambers
• 2.02" intake / 1.60" exhaust valves
• 90cc intake / 65cc exhaust runners
• Hydraulic roller cam
• .579" lift (intake & exhaust)
• 236°/248° duration @ .050"
• 114° lobe separation angle
• 34° total ignition timing @ 3500 RPM

INCLUDED COMPONENTS

• Intake manifold
• Distributor
• Carburetor
• Oil pan
• Timing cover
• Valve covers

Not for pollution-controlled vehicles. Excluded from all discounts.