AST Audi RS7 Sportback C7 Lowering Springs Suspension rebuildable core with low MOI

rebuildable core with low MOI characteristics for repeatable performance

Fits to: OE factory system or Scorpion cat-back

steering brace

Why choose this system for your M4

F83 M4 cabrio roof side trims

AST Audi RS7 Sportback C7 Lowering Springs Suspension rebuildable core with low MOIGive your Audi RS7 Sportback C7 the extra stance it needs with AST lowering springs. AST Lowering Springs are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated, and then powder