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427 Chevy Big Block Turn-Key Crate Engine With 450 HP
Great Street Engine For The Money
427 big block Chevy 

 


Big Block Performance And Quality Parts At A Reasonable Price For A Turn-Key Engine Nothing Else To Buy!


Short Block Assembly:
  • A Seasoned Gen VI 4 Bolt Main Chevy Block (One Piece Rear Seal)
  • Bored and honed with deck plate
  • Mains have been Align Honed
  • Block has been decked
  • New Dura Bond bearing installed
  • New Brass freeze plug and oil galley kit installed
  • Block painted with 3 coats of high temp ceramic engine paint customers choice of color 
  • New Eagle 4340 Forged Steel 427 Crank Shaft
  • New Eagle I-Beam Connecting Rods With ARP Bolts
  • New SRP or Mahle Forged Performance Pistons
  • Performance rod and main bearing (Clevite, King or Federal Mogul)
  • New Performance Rings Hand Filed To Match Application
  • New ARP Main Bolts
  • The complete rotating assembly will be balanced
Fully Dressed Crate Engine Assembly:
  • All The Above Plus The Following:
  • New Three Piece True Roller Timing Set
  • New Comp Cams Custom Ground High Performance Street Camshaft With A Muscle Car Chop
  • A set of New Roller lifters
  • A Set Of Reconditioned Lifter Guides
  • A Roller Lifter Retainer Tray
  • New Edelbrock Performer RPM Aluminum Performance Cylinder Heads
  • (8) New Stainless Steel 2.19 Intake Valves
  • (8) New Stainless Steel 1.88 Exhaust Valves
  • (16) New High Performance Valve Springs And Retainers (To Match Camshaft)
  • New 7/16 Screw In Studs And Hardened Guide Plates
  • New (16) Manley Push Rods
  • A New set of Roller Rockers
  • Engine Will Be Assembled With All Brand New Bolts
  • New High Volume Oil Pump And Screen
  • New Painted Oil Pan
  • New Dip Stick And Tube
  • New GM Aluminum Timing Cover
  • New Performance Balancer
  • New Fel-Pro Performance Gaskets
  • New Edelbrock Aluminum Performance Intake Manifold
  • New Chrome Thermostat Housing
  • New Edelbrock Carburetor w/ Electric Choke   
  • New Chrome Air Cleaner
  • New Pro-Billet Distributor (Requires MSD 6AL Ignition Control)
  • New MSD Blaster II Coil And Bracket
  • (8) New  Auto- Lite Spark Plugs
  • New Custom Fit Taylor 8mm Ignition Wires (Color Of Choice Black, Red, Blue, Yellow, Green, Orange No Extra Charge) 
  • A Water Pump
  • New Valve Covers
  • New Chrome Breather
  • All engines will come with flex plate (for auto trans)

  • Engines are photo documented during the building process so you can see the quality of parts and workmanship that goes into your engine

  • Each engine is live run tested, timing set and carburetor adjusted for optimum performance

  • We video tape your engine and send you a copy (Have your engine dynoed for an additional $250 includes dyno video & print outs)

Only $12,750

 

We Are Constantly Running Engine Deals

Please Call Us For The Most Up To Date Pricing

Or E-Mail Us For More Information!

      

 

Customize Your Crate Engine

March Performance
Alternator
Alternator, Power Steering
Alternator, Power Steering,  And AC
Upgrade $1,000 Upgrade $1,675 Upgrade $2,100
     

Holley Carburetor
(Includes braided fuel line for carburetor)
Holley
Add $350
MSD Mini High Torque Starter

Add $275
   
MSD 6AL Ignition Control
MSD 6AL 6420
Add $300
Manual Flywheel
Flywheel
Add $475
   




The Atomic EFI outshines the competition in ease of installation and performance! The MSD annular ring injection design produces an air/fuel charge with much better mixture as well as an even distribution among the cylinders that our competition cannot match. Better AFRs equal better idle quality, better starting, and better overall drivability throughout the rpm range. You and your engine will be glad when you Go Atomic.


 Kit Includes:

  • Throttle Body Assembly (An exact swap for a 4150 Holley)
  • (4) port style injectors
  • EMS (Engine Management System)
  • Comprehensive Instruction Manual
  • All harnesses and connectors (Much less harnessing than other systems)
  • Idle Air Control - Built in to the throttle body
  •  Coolant Temperature Sensor - 3/8-NPT threads for most manifolds
  • Throttle Position Sensor
  • Wideband O2 Sensor and cable (Many competitive units are narrowband)

Add $2,700

  ***Firmware updates can be found at the following link: http://atomicefi.com/update.aspx


Custom Paint

Custom Painted Engine:

  • Have a custom painted car?  Why not have a custom painted engine?  Give us your paint code and we'll do the rest.

Add $300



Webber 48mm Stack Induction

Webber Stack Induction:

  • Webber Stack Induction Aluminum Intake Manifold
  • Webber 48mm IDA Carburetors
  • Chrome Stacks
  • Webber Carburetor Fuel Line
  • Webber Carburetor Throttle Linkage

Add $ Call


Chevy 350-475hp

Edelbrock Dual Quad's:

  • Performer RPM Dual Quad Air-Gap intake With EnduraShine Finish
  • 2 Thunder Series AVS carburetors With EnduraShine Finish
  • Progressive throttle linkage
  • Fuel line
  • Edelbrock Chrome Dual Carburetor Air Cleaner

Add $1,300



Chevy Black Out Kit

Old School Look:

  • One of the most popular and durable dress-up kits available today! This black crinkle kit with its distinctive look and boldly striking wording comes with everything you need for race day or show day!

Add $245


TH350 Transmission

Automatic Transmission Package's:

  • The world’s finest transmission packages, custom made for Proformance Unlimited.
    -Each Transmission Package is tailored to your engine, and Test Driven to ensure maximum performance.
    -They build them from Mild to Wild, if you’ve got the horsepower, they have the transmission.

TH-350 Or TH-400 Add $2,300



Whether your vehicle is a hot rod, street car, race car, or even a tow truck, here at Proformance Unlimited we are here to help design and build the combination that best suits your vehicles needs. Please browse our engine combinations listed below or custom design one of your own. Proformance Unlimited is best known for our precision custom designs. From that special built stroker engine to that turn-key drop in ready crate engines, call Doug or Steve and we will be happy to answer any of your questions.

All engines are custom built to order for total customer satisfaction

Credit cards accepted

Call us today for a quote

1-732-462-7283 

 

 

 

 

 

12500   Updated 8/15/2014

Copyright © 2013 Proformance Unlimited Inc.

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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.