SPL Parts Swift Assist Springs 60mm Spring Rate 223 lbs/in (SWIFT-A60-040) 1772 Pairs perfectly with our cold

Pairs perfectly with our cold air intake EVO5005 and EVO5005C

987 Boxster / Cayman BMC F1 Air Filter

This Turbo Inlet will remove the air flow restriction of the factory turbo inlet

NOTE: Does NOT Fit F83 M4 Convertible

SPL Parts Swift Assist Springs 60mm Spring Rate 223 lbs/in (SWIFT-A60-040) 1772 Pairs perfectly with our coldAssist Springs Get the best of both worlds, Swift assist springs provide a dynamic step linear rate. Like our helper springs, the assist springs are designed to be fully compressed at static height. Every one of our assist springs compress to the exact same height. This allows drivers to change assist springs without resetting the perch on the coilovers so the ride height isn't affected. Heavier rates of assist springs over helper springs are used to