AST 5200 Series Coilovers BMW 1 series - E8X 1989-audi-90-quattro-base-esi6937400 Progressive rate sleeve-style springs with

Progressive rate sleeve-style springs with performance valving

Flow and Performance: This MACH Force-Xp mid-pipe with resonator delete is constructed of 2-1/2" mandrel-bent

2L Small Block Pro Series Head Bolt Kit

This system does NOT include AFM or NPP valves

Automatically Extends When Door Opens

AST 5200 Series Coilovers BMW 1 series - E8X 1989-audi-90-quattro-base-esi6937400 Progressive rate sleeve-style springs withYou take performance seriously and the AST 2 WAY Motorsport Suspension is built for drivers like you. Designed for true track enthusiasts, it delivers race level precision and control. This monotube coilover system is 2 way adjustable for rebound, compression, and ride height, featuring external reservoirs for maximum consistency under extreme conditions. It includes camber adjustable front top mounts, solid rear mounts, and adjustable rate springs.