Proform Calibration Spring - Medium - 50 - 450lbs 1969995 F-250 1976-1964

F-250 1976-1964

1985-2004 GMC Safari

1967-1977 Pontiac Grand Prix

Versions with and without supplemental injector provisions (4 injectors per TB and rails)

Another major change to this new unit is that the box itself has a controller as well as a wireless infrared remote control

Proform Calibration Spring - Medium - 50 - 450lbs 1969995 F-250 1976-1964Product Description: Calibration Spring Medium 50 450lbs Steel Natural Sold Individually PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products from intelligent concepts. Our goal is to provide the performance enthusiast with innovation, quality,