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427 Crate Engine With 600HP
Cobra Edition

427W Stroker Crate Engine 

"Extreme Street/Strip Power Plant"

Will Replace Any Small Block


Small block 427  Ford crate engine with Aluminum heads. The 427 600HP 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 580 + ft. lbs. of 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

 Cobra Engine Assembly:

  • New Dart SHP 351w Big Bore Block 1pc Rear Main Seal

  • Honed With Deck Plate

  • Mains Have Been Aline Honed

  • Block Has Been Decked

  • Dura Bond Cam Bearings Installed

  • Brass Freeze Plug And Oil Galley Kit Installed

  • Block painted with 3 coats of high temp ceramic engine paint customers choice of color (have your engine custom painted to match your vehicle for an additional $250)

  • Eagle 4340 Forged Steel Stroker Crankshaft

  • Eagle H-Beam Connecting Rods With ARP Bolts And Bushed Pins

  • SRP Or Mahle Forged Pistons

  • Clevite H Series Rod And Main Bearings

  • Performance Rings Hand Filed To Match Application

  • New ARP Main Bolts

  • The complete rotating assembly will be balanced

  • Custom Ground Roller High Performance Street Camshaft With A Muscle Car Chop

  • A three piece true double roller timing set

  • Roller lifters

  • Dart CNC Ported Aluminum Performance Cylinder Heads

  • Stainless Steel 2.08 Intake Valves

  • Stainless Steel 1.60 Exhaust Valves

  • Comp Cams Performance Valve Springs And Retainers (To Match Camshaft)

  • 7/16 Screw In Studs And Hardened Guide Plates

  • All New ARP Head Bolts

  • Manley Chrome Moly Push Rods

  • Comp Cams Roller Rockers

  • Melling high volume oil pump

  • Canton oil pick up

  • Canton front sump oil pan and dip stick

  • Timing cover with scale

  • Engine will be assembled with all new bolts

  • Fel-Pro performance gaskets

  • Hurricane performance intake manifold

  • A new chrome thermostat housing to match intake

  • Holley Ultra HP 750 CFM Carburetor

  • Cobra Accessories:

    • Black Finned Aluminum 427 Cobra Valve Covers

    • Black Finned Aluminum Cobra Air Cleaner

  • MSD Pro Billet Distributor

  • MSD Blaster II coil and bracket

  • Taylor 8mm ignition wires (color of choice Black, Red, Blue, Yellow, Green, Orange no extra charge)

  • A hi-flow water pump

  • Professional Products performance balancer

  • All Engines Will Come With Flex Plate (For Auto Trans)

  • As We Assemble Your Engine We Take Several Pictures Throughout The Building Process So You Can See The Quality Of Parts And Workmanship That Goes Into Your Engine

  • Engine Is Tested, Timing Set And Carburetor Adjusted For Optimum Performance

  • We video tape your engine and send you a copy

Currently Only $12,500

We Are Constantly Running Engine Deals

Please Call Us For The Most Up To Date Pricing
Or E-Mail Us For More Information!

    Request Info



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








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