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 .037 Rod (Pre-75)
Edelbrock Pro-Flo XT EFI Intake Manifold For Chevrolet Rectangular Port 396-502 Big Block-Block V8.
