''Excellent Super Street/Mud Bog"
Pop Her In
And Let It Fly
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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. |
↓Engine
Specification Sheet↓
- 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
- All of our turnkey engines come with
a 2 year
unlimited mileage warranty
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Only $12,775
We Are
Constantly Running Engine Deals
Please Call Us For The
Most Up To Date Pricing
Or
E-Mail Us For More Information!

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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
1-800-267-3940 |
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