*Shown With Optional Upgrades

SuperCharged LSA 427CI 820HP EFI

Custom Crate Engines turn-key supercharged LSA engine packages are your solution for powerful, durable, and trouble-free late-model LS power plants for your muscle car or hot rod! Each package is precision machined to allow for the strictest of tolerances. Every Proformance Unlimited engine is hand-assembled by experts in the field with over 40 year’s experience! All components in our engines are brand new parts, including the block, so you are not buying an engine that uses any remanufactured items! Our turn-key packages are designed to provide our customers with a true drop-in engine that is ready to run! These are not stock crate engines that have been slightly modified. These are hand-built engines that have received the care and attention that you should expect when purchasing a performance engine! Our engines are built for strength, durability, and power, so your new Custom Crate Engine is ready for whatever you can throw at it!

$26,500.00

Pay a 50% deposit per item

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

Chevy SuperCharged LSA 427CI 820+HP Engine Specifications: 

  • GM LSA Aluminum Block
  • Eagle 4.125 Forged Steel Stroker Crank 58X
  • Eagle H-Beam Rods
  • Forged Pistons 4.070 (Mahle, DSS or Diamond)
  • Complete Assembly Internally Balanced
  • Comp Cams LS3 3-Bolt Custom Ground Hydraulic Roller Camshaft
  • Hydraulic Roller lifters
  • Roller timing chain set
  • Melling Oil pump
  • LPC Rectangle Port 255cc Aluminum Cylinder Heads
  • Performance Dual Springs
  • 1.7 Rocker arms with trunion upgrade kit
  • Manley Chrome moly Pushrods
  • Main bolts
  • ARP Head bolts
  • Aluminum Timing And Rear Cover
  • Aluminum Valley Tray
  • Moroso 5 Quart Stroker/Muscle Car Oil Pan
  • GM Performance Polished Aluminum Valve Covers
  • Coil pack relocater bracket
  • Balancer
  • Water Pump
  • Oil And Filter
  • Electronics/Wiring Harnesses:
  • MSD Coil Packs
  • FiTech ECM Calibrated
  • Main ECM Engine Wiring Harness
  • Coil Pack Harness
  • Fuel Injector Harness
  • 8MM Plug Wires
  • FiTech EFI Controller
  • 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
  • Fuel Injectors
    Induction:
  • Whipple Charger 2.9L
  • Black Anodized Lower Intake
  • Black Anodized SuperCharger
  • 102mm Cable Driven Throttle Body
  • Concept One Pulley Kit:
  • Chevy LS Victory Supercharger Kit
  • Black Anodized Finish Pulleys and Brackets
  • 1300-1400 PSI Power Steering Pump
  • 165 Amp Black Alternator
  • Black AC Compressor
  • Belts and Hardware
  • 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