LS3 416CI 550HP EFI Crate Engine

Starting at $14,995

Our complete GM LS3 416CI 550HP stroker crate engine package dyno tested ready for installation. This build features the aluminum LS-Series Get IV 6 bolt block and FiTech fuel injection system with cable driven throttle body. Comes ready to install with the Muscle Car oil pan. We can also assist you in picking out the correct motor mount and header combo that will fit your hot rod. If you are in need of a serpentine pulley kit complete with components or a transmission we can assist you with that as well.


550 @ 6200


560 @ 5200

Bore & Stroke

4.065 x 4.000

  • LS3 GM Aluminum Block
  • Eagle 4.000 Forged Steel Stroker Crank 58X
  • Eagle H-Beam Rods
  • Mahle Forged Pistons
  • Complete Assembly Internally Balanced
  • Comp Cams LS3 3-Bolt Custom Ground Hydraulic Roller Camshaft
  • Hydraulic Roller lifters
  • Roller timing chain set
  • Melling Oil pump
  • LS3/L92 Aluminum Cylinder Heads 68CC chambers
  • Comp Cams Dual Springs
  • Tool Steel Retainers
  • 7 Degree Steel Locks
  • 1.7:1 Rocker arms
  • Manley Chrome moly (1) Piece Pushrods
  • Main bolts
  • ARP Head bolts
  • LS3 Aluminum Timing And Rear Cover
  • LS3 Aluminum Valley Tray
  • 5 Quart Muscle Car Oil Pan
  • Polished Aluminum Valve Covers
  • Proform Over Valve Cover Coil bracket
  • Corvette Style Balancer
  • Water pump
  • LS3 Nylon EFI Intake Manifold
  • GM Dead Headed Style Fuel Rail
  • 102mm Throttle Body
  • Oil And Filter
  • AC Delco Spark Plugs
  • Your engine will be tested and tuned for optimum performance
  • 2 Year Unlimited Mileage Warranty
  • Electronics/Wiring Harnesses:
  • Coil Packs
  • FiTech ECM Calibrated
  • Main ECM Engine Wiring Harness
  • Coil Pack Harness
  • Fuel Injector Harness
  • MSD 8MM Plug Wires
  • FiTech EFI Controller
  • Sensors/Fuel:
  • Dual Wide Ban O2 Sensors
  • Intake Air Temperature Sensor
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Oil Pressure Sensor
  • Oil Temperature Sensor
  • Engine Coolant Temperature Sensor
  • Engine Knock Sensor
  • Manifold Air Pressure Sensor
  • Spark plugs
  • 39Lb Fuel Injectors

Fuel Delivery Systems

LS Single Feed Fuel System

LS Single Feed Fuel System

This system includes the following items:

  • FiTech 255 L/H Inline Frame Mount Pump
  • GM Self Regulating Fuel Filter
  • (2) 3/8 Click-Lock to -6AN Fuel Adapter Feed
  • 5/16 Click-Lock to -6AN Fuel Adapter Return
  • 3/8 To -6AN Fuel Line

Add $245

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