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Starting @ $12,775
521 Ford stroker crate engine with 575hp, featuring Edelbrock Performer RPM aluminum heads. This Ford 521 575hp stroker crate engine Combination can be custom designed to tailor  to your specific needs. Engine can be custom painted to match your vehicle. We are a direct supplier of 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.

 

Horsepower 575 @ 
Torque  Ft. Lbs @ 2850 RPM
Bore & Stroke 4.360 - 4.300

 

521 575HP

  • Fully machined seasoned 460 Ford block
  • Block painted with 3 coats of high temp ceramic engine paint customer’s choice of color (have your engine custom painted to match your vehicle for an additional $300)
  • Eagle forged steel crankshaft 4.300 stroke
  • Eagle H-Beam connecting rods with ARP bolts and bushed pins
  • High performance pistons (Speed-Pro, Keith Black, SRP, or Mahle)
  • Clevite P Series rod and main bearing
  • Performance rings hand filed to match application
  • The complete rotating assembly is balanced
  • 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 high volume oil pump and screen
  • Canton oil pan
  • Canton pickup tube
  • Chrome dipstick and tube
  • Aluminum timing cover with scale
  • Fel-Pro gaskets
  • Edelbrock aluminum performance intake manifold
  • Chrome thermostat housing to match application
  • Holley/AED 4150 street-strip performance carburetor
  • 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
  • Flex plate (for auto trans)
  • Engines are photo documented during the building process
  • Each engine is dyno tested, timing set and carburetor adjusted for optimum performance
  • We video tape your live run engine and send you a copy
  • Engine will come with a limited warranty

 

 
All engines are custom built to order for total customer satisfaction
Credit cards accepted
Call us today for a quote
1-800-267-3940
* Please Review Our Cancellation/Return Policy Before Making A Purchase*
 
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.
 

 

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Custom Crate Engines