Proformance Unlimited Custom Crate Engines

Reliable, Performance Custom Built Crate Engines 

International: +1-321-430-2465      Email: Info@CustomCrateEngines.com

*Shown With Optional Upgrades

LS3 376 550HP EFI

Our complete LS3 376CI 550HP crate engine package dyno tested ready for installation. This build features the Aluminum LS3 Series 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.

$11,950.00

Chevy LS3 376CI 550HP Engine Specifications: 

  • Fully Machined LS3 aluminum Block
  • Block, heads, oil pan, timing cover custom painted
  • H-Beam Rods
  • Performance Pistons
  • Complete Assembly Internally Balanced
  • Comp Cams Custom Ground Hydraulic Roller Camshaft
  • Hydraulic Roller lifters
  • Timing chain set
  • Melling Oil pump
  • LS3/L92 Aluminum Cylinder Heads
  • CompCams Performance Springs
  • Rocker arms
  • Manley Chrome moly (1) Piece Pushrods
  • Main bolts
  • ARP Head bolts
  • Aluminum Timing And Rear Cover
  • Aluminum Valley Tray
  • 5 Quart Muscle Car Oil Pan
  • Aluminum Valve Covers
  • Coil pack relocater bracket
  • F-body style Balancer
  • Water Pump
  • FiTech Fabricated Intake Manifold
  • 92mm Cable Driven Throttle Body
  • Oil And Filter
  • AC Delco Spark Plugs
  • Electronics/Wiring Harnesses:
  • Coil Packs
  • FiTech ECM Calibrated
  • Main ECM Engine Wiring Harness
  • Coil Pack Harness
  • Fuel Injector Harness
  • 8MM Plug Wires
  • FiTech EFI Controller
  • Sensors/Fuel:
  • 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
  • Fuel Injectors
  • Your engine will be tested and tuned for optimum performance

Introducing Proformance Unlimited’s line of LS based hot rod engines. Where new school performance meets old school looks. We have developed a complete line of fuel injected and carbureted LS based power plants to fit almost everyone’s needs. If you don’t see something you want give us a call and we will design it for you. Our vision on these engines is to bring back the really cool looks from yesteryears engines with today’s reliability. Whether it’s a classic carbureted engine or a wild fuel injected side draft look your after you’ve found the right builder. Take your time checking out our youtube videos and engine package designs. We are well known for our high quality, reliable, show car quality engine builds.

Contact:

733 North Drive #B Melbourne, FL 32934

PH: 800-267-3940

Shop Hours:

Monday – Thursday 8:00am – 5:00pm EST

Friday 8:00am – 4:00pm EST

PROFORMANCE UNLIMITED INC. RESERVES THE RIGHT TO MAKE CHANGES IN DESIGN OR TO MAKE ADDITIONS TO OR IMPROVEMENTS UPON ANY OF ITS PRODUCTS AT ANY TIME WITHOUT INCURRING ANY OBLIGATION WHATSOEVER TO INSTALL THE SAME OR IMPROVEMENT UPON PRODUCTS PREVIOUSLY MANUFACTURED. OCCASIONALLY DEPENDING ON AVAILABILITY, PARTS MAY BE SUBSTITUTED THAT WILL NOT EFFECT PRICE, PERFORMANCE, APPEARANCE OR QUALITY OF THE PRODUCT.
*Engine shown with optional upgrades