Swift Coil-Over Helper Spring - 2.5" ID x 5.0" Tall - 4 lb. 84501 0-16000 RPM

0-16000 RPM

0L COLD AIR INDUCTION SYSTEM (CHROME)

Pep up your Vortec with the Dyna Module

1978-1981 Pontiac Grand Prix

Radio Belt

Swift Coil-Over Helper Spring - 2.5" ID x 5.0" Tall - 4 lb. 84501 0-16000 RPMUnlike 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