AST 16-21 Fiat 124 Spider NF 30mm/30mm Lowering Springs 2011-mazda-rx-8-grand-touring-esi4959601 This bump stop utilizes a

This bump stop utilizes a nitrogen fill valve which can be used to fully adjust the compression force

Includes Installation Tool

so the user can dial-in preferred pressure

it includes dual 12V USB charging ports to power your devices without interfering with the factory in-dash speaker

and is finished off with four massive 3" stainless steel exhaust tips with laser-etched logos

AST 16-21 Fiat 124 Spider NF 30mm/30mm Lowering Springs 2011-mazda-rx-8-grand-touring-esi4959601 This bump stop utilizes aThe AST Lowering Springs reduce your cars center of gravity while maintaining the comfort of OEM springs. Designed as a direct OEM replacement, they are vehicle specific and crafted with premium materials on top quality Wafios coiling machines. Their progressive design balances a lowered stance with enhanced performance. With compatibility across over 3,000 models from 1966 upwards, these springs suit a wide range of vehicles. Backed by a lifetime