LS3 376CI 540HP EFI

Estimated Price $14,995

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Our LS3 376CI 540HP crate engine package can be dyno tested and tuned ready for installation. This build features an aluminum LS3 6 bolt block. 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. All our LS series crate engines can be custom painted “customers choice of color”.

  • LS3 376CI 540HP Crate Engine:
  • Fully Machined Aluminum LS3 Block With 6-bolt cross-bolted main caps
  • Nodular Iron Crankshaft 3.62 Stroke
  • Powdered Metal Connecting Rods 6.125”
  • Hypereutectic Aluminum Pistons
  • Complete Assembly Internally Balanced
  • Hydraulic Roller Camshaft
  • Hydraulic Roller Lifters
  • Timing chain set
  • Oil pump
  • Aluminum LS3 Rectangular Port Cylinder Head
  • 2.165 Intake Valves
  • 1.590 Exhaust Valves
  • GM Performance Valve Springs
  • Rocker Arms 1.7:1
  • Pushrods
  • Main bolts
  • Head bolts
  • Aluminum Timing And Rear Cover
  • Aluminum Valley Tray
  • Aluminum Oil Pan
  • Balancer
  • Fabricated Aluminum Intake Manifold (Black, or Shinny)
  • Fuel Injectors
  • Fuel Rails
  • Cable Driven Throttle Body (Black, or Shinny)
  • Aluminum LS Valve Covers (Black, or Polished)
  • LS3 Style Coils
  • Coil Harness
  • 8.5mm Ignition Wires
  • Holley Terminator X ECU
  • Engine Wiring Harness
  • Fuel Injector Harness
  • Wide Ban O2 Sensor
  • Intake Air Temperature Sensor
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Engine Coolant Temperature Sensor
  • Manifold Air Pressure Sensor
  • Oil And Filter
  • Spark Plugs
  • Engines are photo documented during the building process
  • 2 Year Unlimited Miles Warranty


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Pulley Systems

LS Alt Only Pulley Kit

LS Alt Only Pulley Kit

This system includes the following items:

  • Chrome 140 Amp Alternator
  • Polished Alternator Pulley
  • Polished Crankshaft Pulley
  • Polished Water Pump Pulley
  • Polished Aluminum Brackets With Fan & Nose Cover
  • 8 Rib Serpentine Belt
  • Installed on your engine

Add $1,675

LS Alt/PS Pulley Kit

LS Alt/PS Pulley Kit

This system includes the following items:

  • Chrome 140 Amp Alternator
  • GM Type 2 Power Steering Pump With Reservoir
  • Polished Alternator Pulley
  • Polished Crankshaft Pulley
  • Polished Water Pump Pulley
  • Polished Aluminum Brackets With Fan & Nose Cover
  • Polished Idler Pulley
  • Spring Loaded Belt Tensioner
  • 8 Rib Serpentine Belt
  • Installed On Your Engine

Add $1,875

LS Alt/PS And AC Pulley Kit

LS Alt/PS And AC Pulley Kit

This system includes the following items:

  • Chrome Plated 140 Amp Alternator
  • GM Type 2 Power Steering Pump With Reservoir
  • Chrome Plated AC Compressor
  • Polished Alternator Pulley
  • Polished Crankshaft Pulley
  • Polished Water Pump Pulley
  • Polished Aluminum Brackets With Fan & Nose Cover
  • Spring Loaded Belt Tensioner
  • 8 Rib Serpentine Belt
  • Installed on your engine

Add $2,300


LS Conversion Install Package

LS Conversion Install Package: (Basic)

LS Conversion Install Package: (Basic)

So you're ready to swap in a super lightweight engine that will require no maintenance, yet cranks out unbelievable horsepower and torque. This install package we created will help you get it installed into your classic truck or car with minimal headaches.

This system includes the following items:

  • Adjustable LS Conversion Engine Mounts
  • Prothane Motor Mounts
  • Ceramic Coated Headers
  • Automatic Flexplate
  • LS Series Crankshaft Hub Adapter TH400/TH350/700R4
  • Crankshaft Bolts
  • GM Performance Starter
  • Starter Bolt Kit
  • Bellhousing Bolts TH400/TH350/700R4

Add $1,550


Parts

BeCool Radiator

BeCool Radiator

This system includes the following items:

Add Starting @ $1,399

Fuel Tank with Electric Pump

Fuel Tank with Electric Pump

This system includes the following items:

Add Starting @ $550


Transmission

LS 4L80E Transmission Package

LS 4L80E Transmission Package

This system includes the following items:

Add $4,950

LS TKx Transmission Package

LS TKx Transmission Package

This system includes the following items:

Add Starting @ $5,400


Dyno Testing

Have your new crate engine Dyno tested!

Have your new crate engine Dyno tested!

Proformance Unlimited measures over 30 parameters that are monitored and logged to the computer during each engine test. A complete printout, including graphs.

We tune your engine on the dyno for maximum power. No more endless trial and error methods at the track are required. You see your results instantly! Dynamometer testing costs a fraction of what you have invested. Take the guesswork out of tuning - by dynoing !

This system includes the following items:

  • Your engine will be broken in under various load conditions
  • Tested in real world conditions through headers and mufflers
  • Precise horsepower and torque rating with graph and numerical print out
  • Induction system tuned for optimal performance
  • Dyno session video taped

Add $650


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