AST 10-17 BMW 5 520/523/528/530/518D/520D w/ Airsuspension HA - Lowering Springs - 40-0-40mm Drivetrain>Slave Cylinder and NHRA Certifiable part numbers

and NHRA Certifiable part numbers are available

and features unrivaled fitment and an easy installation

This cylinder has a diameter of 4

This system is constructed of 2-1/2" - 3" mandrel-bent 409 stainless steel tubing for maximum strength and durability

AST 10-17 BMW 5 520/523/528/530/518D/520D w/ Airsuspension HA - Lowering Springs - 40-0-40mm Drivetrain>Slave Cylinder and NHRA Certifiable part numbersThe 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