Skip to product information
1 of 6

Drill Bits Unlimted

Ford Model A Zenith carburetor Jet Drill Kit - 20 Piece Set - A-Model Ford Carb

Ford Model A Zenith carburetor Jet Drill Kit - 20 Piece Set - A-Model Ford Carb

Regular price $20.99 USD
Regular price Sale price $20.99 USD
Sale Sold out

250 left in stock

Comprehensive Carburetor Jet Tuning Drill Kit for the Spectacular Ford Model A!

  • Factory Resharpened Carbide Drills
  • Comes in Two Sturdy Organzing Cases to Keep Your Drills Safe and Organized!
  • Handy Size Chart on Back of Case for Your Convenience

 

Quantity 20 Pieces / 12 Sizes
Material Solid Carbide
Shaft Diameter 1/8"


All Drills have a Plastic Ring with Size Imprinted for Easy Size Identification

Although specifications vary from Ford's original, the following sizes (included in this kit)
are the most commonly used when rebuilding or modifying all years of the Ford Model-A Zenith carburetor:



 

Quantity Size Decimal Inch
1 #54 .055"
1 #60 .040"
1 #61 .039"
1 #62 .038"
1 #63 .037"
3 #64 .036"
3 #65 .035"
1 #67 .032"
2 #70 .028"
2 #74 .0225"
2 #75 .021"
2 #76 .020"

 


For your convenience, a reference chart is included below for recommended drill sizes for each jet:

 

 

Jet Name Suggested Flow Starting Jet Size Drill Size
Idling Jet 44 - 48 ml/mn
0.021"

#76
Cap Jet 150 - 185 ml/mn
0.036"

#64
Main Jet 150 - 160 ml/mn
0.035"

#65
Compensator Jet 138 - 142 ml/mn
0.037"

#63
Secondary Well (Top) N/A N/A
#70
Secondary Well (Bottom) N/A N/A #54


Please note: There are different specifications for the Main Jet including sizes: #60(also alternate cap jet), 61, #62, #63, #64,#67 and #65

These are included in this comprehensive kit


 

View full details