JEGS 555-16703 650 CFM Street Carburetor Features:

• Comes pre-tuned and ready to run out of the box. Some fine-tuning may be necessary depending on your engine setup.
• Stainless steel shafts and linkage prevent rust and provide added strength
• The zinc carburetor body and fuel bowls come in a polished zinc finish provides superior corrosion resistance and excellent wear protection
• Carb Specs
  • Jets: #70 (0.073 in. Diameter)
  • Rear metering plate: #74 jet equivalent (0.081 in. Diameter)
  • Power valve: 6.5 Hg (Inches of mercury)
  • Accelerator pump: 30 cc
• Uses standard 4150 components for easy rebuild
• Dual feed fuel bowl inlets are threaded on the right/passenger and left/driver sides to allow your choice of fuel line plumbing
• Kickdown Compatiblity:
  • GM TH350
  • GM 700R4
  • GM 200R4
• Fuel line inlet thread sizes:
  • Carburetor body to fuel line: 7/8 in. -20
  • Adapter to fuel line: 5/8 in. -18 IF
• Dual-feed fuel inlet center-to-center spacing: 8 21/32 in.  
• Includes:
  • (1) Base gasket
  • (1) Air filter gasket

Note: Keep track of your adjustments with this downloadable chart below.

Carburetor Specification Chart