PSLS4273CTF - LS3 Crate Engine by BluePrint Engines 427 ci 605HP Fuel Injected Engine w/Controller

Description
HP & Torque: 605 HP / 565 FT LBS
Compression Ratio: 11:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crankshaft
Forged Pistons

Block:
New BP Iron 6.2L block
6-Bolt Main
1-Piece Rear Main Seal

Rotating Assembly:
New forged crankshaft
4.125" Stroke
6.125" connecting rods
Forged Pistons
Internally Balanced front and rear

Cylinder Heads:
BluePrint Aluminum Cylinder Heads -PS8015
69cc chamber
2.165" intake/1.590" exhaust valves
259cc intake/102cc exhaust runners

Cam Specs:
Cam Type: Roller Cam
.624 Intake .624 Exhaust
239 Intake / 255 Exhaust duration
@ .050 - 114 degree lobe separation

Ignition Timing:
Includes ECM with calibration
NOT capable of transmission control
Will require transmission controller

Also Includes:
Drive by Wire Throttle Body
GM Plastic Intake Manifold
42# Injectors and Returnless Fuel Rail
Harmonic Balancer
Valve Covers
LS swap Oil Pan
Timing Cover
Coil Packs
Spark Plug and Wires
Wiring Harness
Gas Pedal

Warranty:
30 month / 50,000 mile

Requires a non-weighted flexplate/flywheel
Recommended Fuel: 91 Octane
BluePrint recommends a 2200+ RPM stall converter