Q-Jet Primary Metering Rods for Edelbrock and GM Rochester Q-Jet carbs. Not for computer-controlled carbs. Note: Calibration changes may affect emissions-legal status of number 1901, number 1902, #1903, number 1904, number 1905 and number 1906.
Edelbrock .043 Prima Meter Rod (Pre-75)
Edelbrock Pro-Flo XT EFI Intake Manifold for Chrysler 413-426-440 Big-Block V8.