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383 with 400 HP stroker engine has a 3.750
stroke which delivers an extremely high
amounts of torque, you have to experience
one to know how it feels.
Engine can be custom painted to match
your vehicle at your request. 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. |
See Below The Quality Of Parts We Use
In Our Engines
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Short Block
Assembly: |
- Seasoned 4 bolt main
block 1 pc rear main
seal
- Bored and honed
.030 with deck plate
- Mains have been Align
Honed

- Block as been decked
.020
- Dura Bond
bearing installed
- Brass freeze plug
and oil galley kit installed
- Block painted with 3 coats of
high temp ceramic engine paint
customers choice of color
- New Eagle
Cast Steel Crank Shaft 3.750
Stroke
- New Eagle I-Beam
Connecting Rods With ARP Bolts And
Bushed Pins
- Speed-Pro or Keith
Black Hypereutectic
Coated Skit Pistons (10.0:1
Compression When Used With 70cc
Head)
- Clevite P
Series Rod And Main
Bearing
- Hastings Cast
Rings Hand Filed To Match
Application
- The complete rotating
assembly will be balanced
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Fully Dressed
Crate Engine
Assembly:
- All the above plus the following:
- Three piece true double
roller timing set
- Custom Ground Hydraulic Roller
High Performance Street Camshaft
With A Muscle Car Chop

- (16) Roller lifters
- (8) Lifter Guides
- A GM Roller Lifter Retainer Tray
-
Performance Aluminum cylinder heads
64cc with
200cc
intake runners
- (8) Stainless Steel
2.02 Intake Valves
- (8) Stainless Steel
1.60 Exhaust Valves
- (16) High Performance Valve Springs And Retainers (To Match
Camshaft)
- 7/16
Screw In Studs And Hardened Guide Plates
- (16)
Chrome Moly Push Rods
-
(16)
Performance Stainless Steel roller rockers
- Engine Will Be Assembled With All Brand
New Bolts
- High Volume Oil Pump And Screen
- Chrome Oil Pan
- Chrome Dip Stick And Tube
- Chrome Timing Cover
- Fel-Pro Performance Gaskets
- Professional Products
performance balancer
- Performance Aluminum Intake Manifold
- Chrome Thermostat Housing
- Edelbrock 650 CFM
Carburetor W/ Electric Choke

- 14" Chrome Air Cleaner
- MSD Distributor
- MSD Blaster II Coil And Bracket
- (8) AC Delco Spark Plugs
- Custom Fit
Taylor 8mm Ignition Wires (Color Of Choice
Black,
Red,
Blue,
Yellow,
Green,
Orange No Extra Charge)
- High Flow Cast Iron Water Pump
- Chrome Valve Covers
- Chrome Breather
- Complete
PCV Ventilation System
-
Flex plate
(for auto trans), additional $375 for
manual transmissions
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Engines are
photo
documented during the building
process so you can see the quality of parts and workmanship that
goes into your engine
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Each engine is
live
run tested, timing set and
carburetor adjusted for optimum
performance
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We video tape your live run
engine and send you a copy
- All of our
turnkey engines come with a 1 year
warranty with unlimited mileage
For Pricing Please Click Request Info Link Below
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Customize Your Crate Engine
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Mass-Flow Fuel
Injection

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Mass-Flow Fuel Injection Kit Includes:
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Mass-Flow
EFI Custom Intake Manifold
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4 Valve
1000cfm Throttle Body
-
8
Fuel Injectors
-
Fuel Rails
-
Mass Air
Flow Sensor
-
Pre-Tuned
ECM
-
Wiring
Harness
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All
Sensors Required To Make System Work
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Add $3,200
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Polished Engine Upgrade Kit:

- Polished Oil Pan
- Polished Timing Cover
- Polished Ball Milled
Valve Covers
- Polished Edelbrock
Cylinder Heads
- Polished Edelbrock
Intake Manifold
- Polished Edelbrock Water
Pump
- Polished Billet Ball
Milled Wire Looms
- Edelbrock Endura Shine
Carburetor
- Polished Air Cleaner
Add $1,050
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Alternator
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Alternator, Power
Steering
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| Add $870 |
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Add $1,430 |
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Alternator, Power Steering, And AC

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"Ultra
Drive" Alternator, Power Steering, And AC
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| Add $1,870 |
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Add $2,450 |
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Whether your
vehicle is a hot rod, street car, race car,
or even a tow truck, here at Pro-formance
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. Pro-formance 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 we will be happy to
answer any of your questions.
All engines are custom built to order for
total customer satisfaction
All major credit cards accepted
Call us today for a quote
1-732-462-7283 |
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400HP Short Block |
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400HP Complete |
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