1. Home
  2. Carburetor Parts
  3. Carburetor Parts by Carburetor Types
  4. Rochester Carburetor Parts
  5. 4G, 4GC, 4 Jet 4 Barrel
  6. Rochester 4G, 4GC Metering Jets
  7. Rochester 4G Metering Jet 120-11-70
Rochester 4G Metering Jet 120-11-70
Rochester 4G Metering Jet 120-11-70

Rochester 4G Metering Jet 120-11-70

Your Price: $5.25
.070"
Part Number: 120-11-70
Availability: In Stock
Write a Review
Rochester 4 barrel main jets. Used on 4G & 4GC carburetors. Commonly known as the 4 Jet. There are two main primary jets and 2 main secondary jets in this carburetor. Price is for 1 jet. You will probably need 2.

To correctly determine what jet size you need in your carburetor test the current setup by driving at a sustained speed for 20 minutes, stop, pull a plug and check the color. Gray is perfect, white is too lean and black is too rich. Change your jets, then try the test again.

SPEC:
  • Thread: 28
  • Orifice: .070

Browse Similar Items

Recently Viewed Items

Can't find what you need? Contact Us
TOP