Proform Race Series Carburetor - 750 CFM - Mechanical Secondary 42085S For engines with monster cubic

For engines with monster cubic inches or compression ratios

1985-1988 Chevrolet Spectrum

Allows you to change the amount of ignition vacuum advance for maximum part-throttle performance while preventing the harmful effects of spark knock (detonation)

5/16-18 in Adapter

1994-1998 Ford Crown Victoria

Proform Race Series Carburetor - 750 CFM - Mechanical Secondary 42085S For engines with monster cubicFinally an affordable high performance race carburetor! PROFORM's new Race Series Carburetor is hand assembled in the U. S. utilizing the PROFORM High Flow Carburetor Main Body, durable billet metering blocks, and a high performance billet throttle base plate. The PROFORM Race Series Carb includes: PROFORM Carburetor Main Body: High Flow Main Body! Dyno Proven Horsepower & Torque Gain! Adjustable, Screw In Air Bleeds! High Performance Down Leg