AST 10/1994-05/02 Volkswagen Golf III/IV Lowering Springs - 40mm/40mm 2005-gmc-sierra-2500-hd-base-esi6898174 87% cfm Flow Gain

87% cfm Flow Gain

Dedicated Recovery Points

By letting the turbos ingest all the cold air they need

the Air Locker prevents the internal differential gears from rotating and therefore prevents the axle shafts from turning independently of each other

AST 10/1994-05/02 Volkswagen Golf III/IV Lowering Springs - 40mm/40mm 2005-gmc-sierra-2500-hd-base-esi6898174 87% cfm Flow GainThe 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