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Naughty, Naughty 440 For You Bad Boys


440 Chrysler

475 Horse Power


Chrysler 440 with 475 HP aluminum head engine package can be custom designed to your specific needs. All engines can be custom painted to match your vehicle at your request. We can outfit your engine with the exclusive March Performance serpentine belt system.  We can also assist you in choosing the proper transmission and stall speed converter combination for your vehicle and have it shipped directly to you as your performance crate engine is being built.  Over the years we have built many Chrysler engines if you would like us to build you a stroker, mechanical roller,  we can build more or less horse power to accommodate your needs.


Custom Built Chrysler Engines With A Unique Sound And Power

Excellent Street/Strip Piece


See Below How Our Engines Out Beat Our Competitors

Engine Specification Sheet

  • A Chrysler 440 Block

  • Block Will Be Bored & Honed Accordingly With Deck Plate "Painted Color Of Choice"

  • A Set Of Durabond Cam Bearings Will Be Installed

  • A Set Of Pioneer Brass Freeze Plugs and Oil Galley Plugs Will Be Installed

  • A Precision Ground Micro Polished 440 Crankshaft

  • A Set Tri-Metal Clevite 77 Rod And Main Bearings

  • A Set Of Reconditioned I-Beam Connecting Rods With ARP Hardened Rod Bolts

  • A Set Of New High Performance Heavy Duty Flat Top Pistons

  • Assembled With Hand Filed  Performance Rings To Match

  • A  Cloyes Three Piece True Double Roller Timing Set

  • A New Crane Performance Camshaft (With A Good Muscle Car Loopy Idle)

  • (16) New High Rev Lifters

  • A Set Of Edelbrock Aluminum Performance Cylinder Heads With 210cc Intake Runners

  • Crane Adjustable Rocker With Shaft And Guide Springs

  • A Set Of Chrome Molly Push Rods

  • Crane Adjustable Rocker's With Shaft And Guide Springs

  • Melling High Volume Oil Pump

  • Melling Oil Pick Up

  • New Chrome Oil Pan And Dip Stick

  • A New Timing Cover

  • Engine Will Be Assembled With All New Bolts

  • Edelbrock Series Intake Manifold

  • Chrome Thermostat Housing To Match Intake

  • Edelbrock Carburetor w/ Electric Choke (Upgrade To A Holley For $300)

  • 14" High Flow Chrome Air Cleaner

  • MSD Pro-Billet Distributor

  • MSD Blaster II Coil And Bracket

  • MSD 6AL Ignition Control

  • (8) Auto-Lite Spark Plugs

  • Custom fit Taylor 8mm ignition wires (color of choice black, red, blue, yellow, green, orange no extra charge)

  • Brand New Water Pump

  • A Complete PCV Ventilation System

  • A Chrome Breather

  • Professional Products High Performance Balancer

  • Fel-Pro Performance Gaskets

  • All engines will come with flex plate (for auto transmission), additional $200 for manual transmissions

  • 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 live run engine and send you a copy

All of our turn-key crate engines come with a 1 year warranty with unlimited mileage

Turn- Key Drop In Ready Price Only $10,700  




The 318 was the longest-lived Chrysler A engine, produced from 1957 through 1966 when it was replaced by the LA 318. Chrysler’s 330, 340, and 440 with the famous “six pack” came to life around the late 50’s early 60’s.  Cars like the famous Barracuda, and Charger was where most of Chrysler engines found a home in the muscle car era.

            Our Chrysler engines have both the small block (318 & 360) and big block (383, 400 & 440) drop in ready crate engine packages available. The Chrysler engine was built with non-adjustable valve trains therefore special attention must be considered when choosing your pistons and camshafts. We build these particular engines with adjustable rocker arms to accommodate high compression large lift and longer duration cam shafts.

            Today with the vast array of performance parts available we can turn your Chrysler from a mild 275 horse power grocery getter to a wild tire smoking stroker with 475+ horse power.

            If you are restoring your early Chrysler engine we can upgrade the horse power and still keep it looking original. Please call us for details.

           Whether your vehicle is a Dodge Charger, or the sharp tooth Baricuda  or even a timeless 60's classic, here at Pro-formance Unlimited we are here to help design and build the combination that best suits your vehicles needs.  Pro-formance Unlimited is best known for our precision custom designs. So if you are looking for a special Custom built crate engine call Doug or Steve we will be happy to answer any of your questions.





Copyright © 2006 Pro-formance Unlimited Inc.

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