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Chevy 350 Crate Engine * Engine Shown With Optional Upgrades*

 

350 Chevy Turn-Key Crate Engine 420 HP

 

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

 

"Incredible Power Throughout The Power Band"

Most Popular Engine

 

 

See Below The Quality Of Parts We Use In Our Crate Engines

 

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 color350 Chevy Short Block\
  • Eagle steel crankshaft 3.480 stroke
  • Eagle I-Beam connecting rods with ARP bolts
  • High performance pistons (Speed-Pro, Keith Black, SRP, or Mahle)
  • Performance rod and main bearing (Clevite, King or Federal Mogul)
  • Performance rings hand filed to match application
  • ARP main bolts
  • The complete rotating assembly is balanced
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
  • Performance aluminum cylinder heads (See options below)
  • 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 engine and send you a copy

Only $7,200

 

We Are Constantly Running Engine Deals

Please Call Us For The Most Up To Date Pricing

Or E-Mail Us For More Information!

        

 

**Customer Review of our Chevy 350**
       
Hey Guys !!

What an absolute pleasure it has been working with you. The entire process of my motor build, from conception to completion, has been more than I could of hoped.

The motor runs flawlessly. I just returned from a small car show in Prairie City, Oregon. The accolades were amazing. Many of the show participants were very impressed with the sound, power and appearance of my new 350/420 for such a fair price. The engine has been a perfect compliment to my car.

I want to thank you for all you have done. As the car nears completion, it has been my great pleasure working with all of you. I wish you much success in the new year to come.

Warmest Regards,
Troy M.
Bend, Oregon
                                                                                                                                    Click here for more Proformance Unlimited crate engine reviews

 

Customize Your Crate Engine With These Products

 

Pulley Systems

March Performance
Alternator Only

This system includes the following items:

  • 105 Amp alternator chrome
  • Alternator pulley
  • Crankshaft pulley
  • Water pump pulley
  • Aluminum bracket with fan & nose cover
  • Belt tensioning bar
  • Serpentine belt
  • Installed on your engine

Add $1,000

Alternator & Power Steering

This system includes the following items:

  • 105 Amp alternator chrome
  • Power Steering Pump
  • Alternator pulley
  • Crankshaft pulley
  • Water pump pulley
  • Power steering pump pulley
  • Aluminum bracket with fan & nose cover
  • Belt tensioning bar
  • Serpentine belt
  • Installed on your engine

Add $1,675

Alternator, Power Steering &
Air Conditioning

This system includes the following items:

  • 105 Amp alternator chrome
  • Power Steering Pump
  • AC Pump
  • Alternator pulley
  • Crankshaft pulley
  • Water pump pulley
  • Power steering pump pulley
  • AC pump nose cover
  • Aluminum bracket with fan & nose cover
  • Belt tensioning bar
  • Serpentine belt
  • Installed on your engine

Add $2,100



Block Options
 

Dart SHP Block: 

  • Cast Iron
  • Splayed 4-Bolt Main
  • 1-Piece Rear Main Seal
  • Factory Roller
  • 1-Piece Rear Main Seal

Add $1,000

 

New GM Performance Block:

  • Cast Iron
  • 4-Bolt Main
  • 1-Piece Rear Main Seal

Add $250


Cylinder Heads Options
 

Dart SHP Cylinder Heads:

  • Combustion Chamber Volume (cc): 64
  • Intake Runner Volume: 180cc
  • Exhaust Runner Volume: 64cc
  • Intake Valve Size: 2.02
  • Exhaust Valve Size: 1.60

Add $0

 

 

Edelbrock E-Street Cylinder Heads

  • Combustion Chamber Volume (cc): 64
  • Intake Runner Volume: 185cc
  • Exhaust Runner Volume: 60cc
  • Intake Valve Size: 2.02
  • Exhaust Valve Size: 1.60
  • Assembled With Comp Cams Performance Valve Springs

Add $0

cylinder heads 

 

AFR Cylinder Heads:

  • Fully CNC Ported
  • Combustion Chamber Volume (cc): 65
  • Intake Runner Volume: 180cc
  • Exhaust Runner Volume: 64cc
  • Intake Valve Size: 2.02
  • Exhaust Valve Size: 1.60

Add $800


Parts
Holley 

Holley Carburetor
(Includes braided fuel line for carburetor)

  • 750CFM
  • Model 4150 Ultra HP
  • Mechanical Secondaries
  • Electric Choke
  • 4 Corner Idle
  • Braided Fuel Line  

Add $350

   

MSD Starter

  • Dyna Force Starter
  • Small Block Chevy
  • Big Block Chevy
  • High Torque
  • 153 and 168 Tooth
  • Straight Bolt Pattern

Add $275

   
MSD 6AL 6420

MSD 6 Series Ignition Box

  • Higher output with 530 primary volts and 135mJ of spark energy
  • Efficient components use less current to produce more power
  • Set an rpm limit on the 6AL with two rotary dials in 100 RPM increments
  • Same bolt pattern as the original 6AL with a lower profile housing
  • Built-in LED for system checks
  • All wires exit the same side through a locked, sealed connector

Add $300

   
Flywheel

Flywheel

  • 153 or 168 tooth

Add $375

   

Fuel Delivery Systems


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

***Firmware updates can be found at the following link: http://atomicefi.com/update.aspx
Webber 48mm Stack Induction

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

Chevy 350-475hp

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


Dress Up

Custom Paint

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

Chevy Black Out Kit

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 $245


Transmission

TH350 Transmission

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



 

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

425HP Short Block

 

425HP Long Block

 

6950   Updated 8/15/2014

Copyright © 2013 Proformance Unlimited Inc.

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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.