SPL Parts Swift Helper Springs 60mm Spring Rate 45 lbs/in (SWIFT-H60-008) PPE_CeramicCoating_1 986 Boxster BMC F1 Air

986 Boxster BMC F1 Air Filter

870cm³ factory unit

It fits inside the OEM ducting system and smoothly transitions to the circular filter housing shape

coupled with an aggressive sound of power and awesome big bright chrome on T-304 stainless steel tip

ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load

SPL Parts Swift Helper Springs 60mm Spring Rate 45 lbs/in (SWIFT-H60-008) PPE_CeramicCoating_1 986 Boxster BMC F1 AirUnlike 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