AST 04-10 BMW 5 520i/523i/525i/528i/530i/520D w/ Airsuspension HA - Lowering Springs - 50-0-50mm 1994-chevrolet-s10-blazer-base-esi1016879 while retaining 100% of the

while retaining 100% of the power-adding capabilities of Borla(r)'s patented multicore design

5mm copper tube seal housings: 6mm entire upgrade kit available (Part number 171321): Black in color to distinguish from the 5mm blue tube:

25 x 30 Black Oxide Hex Bolts (5/pkg)

System features 4

AST 04-10 BMW 5 520i/523i/525i/528i/530i/520D w/ Airsuspension HA - Lowering Springs - 50-0-50mm 1994-chevrolet-s10-blazer-base-esi1016879 while retaining 100% of theThe 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