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350 Chevy Turn-Key Crate Engine With 375 HP

350 Chevy engine * Engine Shown With Optional Upgrades*


A Lot Of Zing For A Little Bling!

Chevy crate 350 with 375 HP engine package was designed for you mild performance corvette lovers.  Just check out the quality of parts listed below. This performance engine can be custom designed to tailor to your specific needs. We can also custom paint your engine to match your vehicle at your request. We are a dealer for March Performance serpentine belt systems if you choose them as your pulley manufacture.  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.

Great Daily Cruiser With A Lot Of Punch

The top questions to keep in mind when purchasing your crate engine click here

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

Engine Specification Sheet

Short Block Assembly:
  • Fully machined seasoned factory roller 4 bolt main blockShort Block 350 Chevy
  • Block painted with 3 coats of high temp ceramic engine paint customers choice of color
  • 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:
  • New three piece double roller timing setLong Block Chevy 350
  • Comp Cams custom ground hydraulic roller camshaft
  • Hydraulic roller lifters
  • Performance aluminum cylinder heads (See options below)
  • Screw in studs and hardened guide plates
  • Comp Cams performance valve springs to match camshaft
  • 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
  • Performance aluminum intake manifold350 375HP Crate Engine
  • Chrome thermostat housing
  • Edelbrock carburetor w/ electric choke
  • Chrome air cleaner
  • Performance distributor and Coil
  • 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
  • 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





**Customer Review of our Chevy 350**
Hey guys.

This is Lenny out here in North Carolina. I know its been a while since we spoke but I wanted to say the motor (Chevy 350) kicks ASS. I drove the car to Wilmington, NC which is about 140 miles to a place called National Speed and put the car on the Dyno for a complete tune. I have photos on my website the car blew out the damn observation window. I wish I could say it was because of the wicked power of the motor, but it was a stone. In any case, it was funny. The motor is a power house and I appreciate the assist with getting it to me during the installation process. Believe it or not, I just finally got 500 miles on the thing and I plan on getting about 1000 on it then back to the Dyno for a full blown tune on it and data. Again, you guys are the freaking heat I tell everyone about you when they ask about the motor.
Thanks again and have a great 4th.

North Carolina   
                                                                                                                               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 $1,200

Cylinder Heads Options


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


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



  • 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:
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 $350

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


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


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



  6800  Updated 5/20/2015

Copyright 2015 Proformance Unlimited Inc.