Eibach 2-1/2" I.D. Helper Spring R03P003XXL The Edelbrock part #35960 Pro-Flo

The Edelbrock part #35960 Pro-Flo 4 EFI System for Ford FE 390-428 C

and Digital Stepper Motor instruments

The unique oval shaped wire means there is more material occupying the same area than round wire springs to more efficiently distribute the operation stresses

All pieces are oversize and can be easily trimmed for a custom fit

2007-2019 Chevrolet Silverado 3500 HD

Eibach 2-1/2" I.D. Helper Spring R03P003XXL The Edelbrock part #35960 Pro-FloPrevents main spring from becoming loose at full drop Available for Most Popular Spring Diameters Each Spring Individually Tested Flat Spring Wire for Maximum Travel and Minimum Block HeightEibach has been committed to creating the finest race springs in the world for over two decades. Eibach products are created to meet the extreme requirements of racing from Le Mans to Daytona. Eibach produces the finest racecar springs in the world. Period. Top