Rochester Main Jet Kit Sizes 50 to 59

• Set of 10 genuine Rochester main jets – sizes 50 to 59
• Suits Rochester 2-barrel and 4-barrel Quadrajet carburettors
• Precision drilled brass jets for consistent fuel delivery

Ideal for tuning your Rochester carburettor to match engine modifications, altitude, or fuel type. This complete set includes jet sizes 50 through 59, giving you the flexibility to fine-tune air-fuel ratios for better performance and drivability. Suits Rochester 2BBL and Quadrajet 4BBL carburettors.