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* Engine Shown With Optional Pulley Kit* |
350
Chevy
Crate Engine With
420 HP
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Chevy 350 with 420 HP engine can be custom
designed to tailor to your specific needs.
Engine feature
We can also equip 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. |
The top questions to keep in mind when
purchasing your crate engine click
here
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"Incredible
Power Throughout The Power Band"
See Below The Quality Of Parts We Use In Our Crate Engines
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Short Block
Assembly: |
- Fully
machined seasoned factory roller 4
bolt main block
- 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 $300)

-
Eagle
cast steel crankshaft 3.500 stroke
-
Eagle
I-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
-
ARP
main bolts
- The
complete rotating assembly is
balanced
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Fully Dressed
Crate Engine
Assembly: |
- 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 with 2.02/1.6 valves
- Screw in
studs and hardened guide plates
-
Manley
chrome moly push rods
- Performance
roller rockers
-
Melling
high volume oil pump and screen
- Chrome oil
pan
- Chrome
dipstick and tube
- Chrome timing
cover
-
Fel-Pro
gaskets
- Performance
balancer
-
Edelbrock
aluminum performance intake manifold
- Chrome
thermostat housing

-
Edelbrock
carburetor w/ electric choke
- Chrome air
cleaner
-
MSD Pro Billet
distributor (Requires MSD 6AL
Ignition Control)
- Autolite
spark plugs
-
Taylor 8mm
ignition wires (color of choice
Black,
Red, Blue,
Yellow,
Green,
Orange no
extra charge)
- Water pump
- Chrome valve
covers
- Chrome
breathers
- Flex plate
(for auto trans)
- Joe Gibbs HR-1
hot rod
oil
- 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
Only $6,950
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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Customize Your Crate Engine

Alternator
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Alternator, Power
Steering
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Alternator, Power Steering, And AC
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| Upgrade $1,000 |
Upgrade $1,675 |
Upgrade $2,100 |
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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
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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
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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
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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
$1,300
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Old School Look:
- One of the most popular and
durable dress-up kits available
today! This black crinkle kit
with its distinctive look and
boldly striking wording comes
with everything you need for
race day or show day!
Add $225
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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.
TH-350 Or
TH-400 Add $1,800
700R4 Or
200R4 Add $2,650
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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
1-732-462-7283 |
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425HP Short Block |
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425HP Long Block |
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6950
Updated 5/1/2012
Copyright © 2011 Proformance Unlimited Inc.
Web Authoring by Oger's Web Design
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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