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Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
Panel includes ignition switch
1975-1975 GMC C15
5/8 harden shaft
You have the choice of running a Billet Steel flywheel for your street applications or a Billet Aluminum flywheel for your track cars
Mega Shifter
Swift Coil-Over Helper Spring - 2.36" Tall - 168 lb. PowerBond Harmonic Balancers Panel includes ignition switchUnlike our assist springs, our helper springs are specifically designed to have a minimal effect on the spring rate of the main coilover spring. Helper springs allow the spring to stay on mounted on the coilover perch when the shock is under negative or zero load, also known as droop travel. It is ideal to run helper springs on setups where you cannot preload the main spring due to height issues or when experiencing springs coming loose from the
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