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408w Stroker Crate Engine With 515 HP
Full Roller Engine

SBF 418w stroker 

* Engine Shown With Optional Pulley Kit*


Big Block Power In A Small Block Package

"Extreme Street/Strip Power Plant"

Will Replace Any Small Block

 

Small block 408w  stroker Ford crate engine with Aluminum heads. The 408w 500HP engine combination can be custom designed to tailor to your specific needs. This engine is designed to make your weekend toy or mild drag strip car come to life. With it's awesome torque and power curve all the way through out the RPM band.  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.

 

See Below How Our Engines Out Beat Our Competitors

Engine Specification Sheet

 

Short Block Assembly:
  • Fully machined seasoned 351w Ford roller block
  • Block painted with 3 coats of high temp ceramic engine paint customer’s choice of color 
  • Eagle forged steel crankshaft 4.000 stroke
  • Eagle H-Beam connecting rods with ARP bolts and bushed pins
  • High Performance Pistons (Speed-Pro, Keith Black, SRP, Or Mahle
  • Performance rod and main bearing (Clevite, King or Federal Mogul)
  • Performance rings hand filed to match application
  • ARP main bolts
  • The complete rotating assembly is balanced
     



    Fully Dressed Crate Engine:

  • All the above plus the Following:
  • Three piece double roller timing set
  • Comp Cams custom ground hydraulic roller camshaft
  • Hydraulic roller lifters
  • Edelbrock performance aluminum cylinder heads
  • 7/16 Screw in studs and hardened guide plates
  • Manley chrome moly push rods
  • Performance roller rockers
  • Melling oil pump and screen
  • Chrome front sump oil pan
  • Chrome dipstick and tube
  • Aluminum timing cover with scale
  • Fel-Pro gaskets
  • Edelbrock aluminum performance intake manifold
  • Chrome thermostat housing to match application
  • Edelbrock carburetor w/electric choke
  • Chrome air cleaner
  • MSD Pro-Billet distributor (Requires MSD 6AL ignition control)
  • MSD Blaster II coil
  • MSD coil bracket
  • Auto-Lite spark plugs
  • Taylor 8mm ignition wires (color of choice Black, Red, Blue, Yellow, Green, Orange no extra charge)
  • Water pump
  • Chrome valve covers with baffles
  • Performance balancer
  • 164 or 157 tooth flex plate (for auto trans)
  • Engines are photo documented during the building process
  • Each engine is tested, timing set and carburetor adjusted for optimum performance
  • We video tape your live run engine and send you a copy
  • Only $8,700

      

    We Are Constantly Running Engine Deals
    Please Call Us For The Most Up To Date Pricing
    Or E-Mail Us For More Information!

             Order Online          Request Info         

     

    **Customer Review of our Ford 418w**
           
    I want to thank all of you, Steve and Doug, for your support and technical knowledge. The engine is more than I expected. Man what a beast! The guy that helped with the work on the car has 25 years of racing and building engines. For not being a blown engine, he said it's definitely insane! He drove the car and said it is unreal! He also said it is an excellent example of people knowing what they are doing. Thanks to all at Proformance Unlimited.

    I can't thank you folks enough. I will recommend your company to all.
    Here are a couple of pictures. A video is to follow soon.


    Ron from Florida    
                                       
                                                                                                                                                            Click here for more Proformance Unlimited crate engine reviews

     

    Upgrade To A March Serpentine Belt Systems Below

     

    March Performance
    Alt Only
     
    Alt/PS
     
    Alt/PS/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 $245
       
    MSD 6AL Ignition Control
    MSD 6AL 6420
    Add $
    300
    Manual Flywheel
    Flywheel
    Add $375
       



      Ford Racing Double Sump Oil Pan

    Add $150



    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




     

    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 $1,400




    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.

    C4 Or C6 Add $2,000

       

    Cobra Valve Cover 

    Cobra Valve Cover And Air Cleaner Upgrade Kit:

    • Cobra Valve Covers
    • Cobra Air Cleaner

    Add $275 



    Cobra Engine Package 

    Cobra Engine Package Upgrade Kit:

    • Cobra Valve Covers
    • Cobra Air Cleaner
    • March Alternator Only Pulley Kit:
      • Polished Aluminum Alternator Bracket
      • Polished Aluminum Alt, Crank, & Water Pump 6 Grove Serpentine Pulleys 1 Wire
      • Alternator
    • Serpentine Belt
    • Manual Transmission Flywheel 157 or 164 Tooth

    Add $1,625 

    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

     

     

     

     

     

    8700 Updated 3/20/2014

    Copyright © 2014 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.