Nissan Silvia 180SX (S13) 1989-1994 - 500 Series Super Low Spec Coilovers Spring Upgrade:Swift Springs Standard - Hyperco Springs may be used if necessary If a customer does not

If a customer does not pre-pay and fill out the service form online before shocks are sent in

and ride quality

Amsoil Synthetic Shock Oil

This allows more height adjustment on some McPherson applications and is less likely to come loose benefitting motorsports applications that run larger and more aggressive tire compounds

Swift Springs Standard

Nissan Silvia 180SX (S13) 1989-1994 - 500 Series Super Low Spec Coilovers Spring Upgrade:Swift Springs Standard - Hyperco Springs may be used if necessary If a customer does notCUSTOM. MODULAR. REBUILDABLE. Fortune Auto engineers have developed specialized valving profiles and optimized specifications for the Super Low Spec. The Super Low Spec 500 Series coilovers are designed to dramatically lower vehicle ride height. Average height adjustability is roughly 2. 5" to 5" lower than OEM ride height (depending on application). Swift Springs Standard, Hyperco Springs substitute if necessary FA Synthetic Shock Oil Flow Digressive