CARBURETOR MAIN JET,1/4"-32,PAIR,#78

BRAND NEW HOLLEY CARBURETOR STANDARD MAIN JET, 1/4-32 THREAD, .089" JET SIZE (HOLLEY PART #122-78).

THESE METERING ORIFICES CONTROL FUEL FLOW INTO THE METERING SYSTEM. THEY ARE RATED IN FLOW CAPACITY "CUBIC CENTIMETERS PER MINUTE" AND ARE CHANGEABLE FOR TUNING PURPOSES. THE SHAPE OF THE ENTRY, EXIT, AND SIZE DETERMINES FLOW. ALL HOLLEY MAIN JETS ARE FLOW TESTED AND THEN STAMPED WITH THE CORRECT NUMBER.

NOTE: NOT FOR USE WITH CARBURETORS ORIGINALLY DESIGNED FOR ALCOHOL

FEATURES:

• FITS ALL HOLLEY MODEL 2010, 2300, 4010, 4011, 4150, 4160 & 4500
• SIZES FROM 40-110
• 1/4-32 THREAD
• .089" JET SIZE
• STANDARD MAIN JET
• JET HOLE SIZES PROVIDED FOR REFERENCE ONLY. ALL HOLLEY JETS ARE SIZED BY ACTUAL FLOW AND MAY VARY FROM SIZES

SPECS:

• BRAND: HOLLEY
• JET NUMBER: 78
• JET SIZE: .089"
• PRODUCT TYPE: STANDARD MAIN JET