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zz383 crate motor

383 450HP Stroker Motor
Starting @ $7,450
   383 with 450 HP stroker engine has a 3.750 stroke which delivers an extremely high amount of torque, you have to experience one to know how it feels.  This engine package delivers a lot of punch for your money.  This is what most of our customers prefer when building there strip/street car. 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.

 

Horsepower 450 @ 6,100 RPM
Torque 435 Ft. Lbs @ 4800 RPM
Bore & Stroke 4.030 - 3.750

 

383 450HP Accessories

Customize Your Crate Engine

 
 
 
Add $1,000
Add $1,675
Add $2,100

 

 

 
 
MSD Atomic EFI System
 
 
 
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
Holley Carburetor
(Includes braided fuel line for carburetor)
Add $350
 
 
MSD Mini High Torque Starter
Add $245
 
 
 
MSD 6AL Ignition Control
Add $300
 

 

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

 

 
 
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

 

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

 

 
 
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

 

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