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GM 408LS • Base Dressed • Fuel Inj.

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HP & Torque: 585 HP / 540 FT LBS
Aluminum Heads
Forged Pistons
Roller Cam
Forged Crank
Part #: BPLS4080CTF


Cast Iron 6.0L block, bored .030
Electronic Fuel Injection

Rotating Assembly:

Forged Steel Crankshaft; 4.000" Stroke
Forged Pistons
Forged I Beam Rods
Performance Rings
Balanced Rotating Assembly
Hydraulic Roller cam
Harmonic Balance

Cylinder Heads:

68cc Chamber

Cam Specs:

Cam Type:
Roller - .624 intake .624 exhaust lift,
239 intake 255 exhaust duration @ .050
114 degree lobe sep.

Ignition Timing:

ECM supplied with calibration, not capable of transmission control, transmission controller required

Also Includes:

Valve Covers
Oil Pan
Timing Cover
Coil Packs
Dyno tested & shipped with results


30 month / 50,000 mile


58X reluctor ring, Universal fit oil pan, drive by wire throttle body and matching throttle pedal.
Also includes sensors, coil packs and wiring harness, and a new ECM with our custom tune installed.
Not designed for late model applications that were originally equipped with fuel injection

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