Is your current Chevy 350 motor tired and worn out? Have you noticed a drop in horsepower and are concerned that your motor will not make the next ¼ mile run? Then a Proformance Unlimited turn-key Chevy 350 crate engine is exactly what you need! Both highly customizable and dependable, it is no surprise that our 350 crate motor is one of our best selling engines.
With a large selection of aftermarket parts to choose from, your turn-key Chevy 350 crate engine can be built to provide you with the amount of horsepower and torque that you desire. If you are looking for an affordable and respectable engine to put into your daily driver then our Chevy 350 motor rated at 270 HP may be the choice for you. However, if you want to instill some fear into your Ford loving friends then our turn-key 350 crate engine rated at 475 HP is what you want!
From custom painted engine blocks to our exclusive March Performance serpentine belt system, Proformance Unlimited can supply you with the crate engine that you have dreamed of and others fear! With over 50 years of shop experience, you can rest assured that we are here to help design and build the engine combination that best suits your vehicles needs. Unlike our competition, we stand by our turn-key crate engines with a one year, unlimited mile warranty.
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Chevy 350 Crate Engine Options
- 350 ci Crate Motor - 270 HP
- 350 ci Crate Motor - 295 HP
- 350 ci Crate Motor - 320 HP
- 350 ci Crate Motor - 335 HP
- 350 ci Crate Motor - 375 HP
- 350 ci Crate Motor - 420 HP
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| 350 ci Crate Engine - 375 HP |
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| Short Block Specs: |
- Seasoned large journal 4 bolt main block 2 pc rear main seal (Upgrade to a New GM Block Add $400)
- Bored and honed with deck plate
- Mains have been Align Honed
- Block has been decked
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- 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
- Eagle Cast steel crankshaft
- Clevite P Series rod and main bearing
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- Set Of Eagle I-Beam Bushed Connecting Rods w/ARP Rod Bolts
- Speed-Pro or Keith Black Performance Pistons
- 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:
- All The Above Plus The Following:
- Three piece true double roller timing set
- Custom ground performance camshaft to achieve the idle & throttle response to customer’s desire
- New high rev lifters (anti-pump up)
- PBM performance aluminum cylinder heads 64cc with 200cc intake runners
- Stainless steel 2.02 intake valves
- Stainless steel 1.60 exhaust valves
- (16) High performance valve springs and retainers (to match camshaft)
- 3/8 screw in studs and hardened guide plates
- (16) Chrome Moly push rods
- A set of full roller rockers
- Engine will be assembled with all 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
- Edelbrock aluminum Performer RPM intake manifold
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- Chrome thermostat housing
- Edelbrock carburetor w/ electric choke
- 14" Chrome air cleaner
- MSD HEI Distributor w/53,000 Volt Coil (Good For Up To 6500 RPM)
- (8) Autolite 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
- All engines will come with flex plate (for auto trans)
- Engines are photo documented during the building process so you can see the quality of parts and workmanship that goes into your engine
- Each engine is live run 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 1 year warranty with unlimited mileage
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Chevy 350 ci Naturally Aspirated Turn-Key Crate Engine |
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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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| 350 ci - 425 HP Full Roller Crate Engine |
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| Short Block Specs: |
- Seasoned factory roller 4 bolt main block 1 pc rear main seal (Upgrade to a New GM 4 bolt main Block Add $400)
- Bored and honed with deck plate
- Mains have been Align Honed
- Block has been decked
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- 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 crankshaft
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- New Eagle I-Beam connecting rods with ARP bolts
- Keith Black pistons
Clevite P Series rod and main bearing
- Perfect Circle 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
- A set of Roller lifters
- A Set Of Lifter Guides
- A GM Roller Lifter Retainer Tray
- Performance Aluminum Cylinder Heads
- Stainless steel 2.02 intake valves
- 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
- A set of stainless steel Roller Rockers
- Engine will be assembled with all 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
- Edelbrock aluminum Air-Gap RPM intake manifold
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- Chrome thermostat housing
- Edelbrock carburetor w/ electric choke
- 14" Chrome air cleaner
- MSD Pro Billet Distributor (Requires MSD 6AL Ignition Control)
- MSD Blaster II coil and bracket
- (8) Autolite 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
- All engines will come with flex plate (for auto trans)
- Engines are photo documented during the building process so you can see the quality of parts and workmanship that goes into your engine
- Each engine is live run 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 1 year warranty with unlimited mileage
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Chevy 350 ci Naturally Aspirated Turn-Key Crate Engine |
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We Are Constantly Running Engine Deals
Please Call Us For The Most Up To Date Pricing
Or E-Mail Us For More Information! |
Available Upgrades:
| For the ultimate show look, add this polished engine upgrade to your engine. |
This kit includes:
- Polished Aluminum 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
Polished Engine Kit - Only $1,250 |
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| Alternator | Alternator & Power Steering | Alt., Power Steering & AC |

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| | Additional $870 | Additional $1,430 | Additional $1,870 |
| Add this EFI kit to your engine for the latest technology. |
Mass-Flow Electronic Fuel Injection Kit Includes:
- Mass-Flow EFI Custom Intake Manifold
- 4 Valve 1000cfm Throttle Body
- 8 Fuel Injectors
- Fuel Rails
- Mass Air Flow Sensor
- Pre-Tuned ECM
- Wiring Harness
- All Sensors Required to Make System Operate
Mass-Flow Electronic Fuel Injection Kit - Only $2,800 |
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