Border Racing Coilover for Audi S4 Avant - B8 - 2008-2015 Stelvio 4WD monotube design with oversized 44mm

monotube design with oversized 44mm pistons for high volume of shock oil

asphalt rally and drag use

the SP series is a solid circuit performer

• easy installation with all applicable factory brake line brackets for factory-like fitment

the P1 series absorbs bumps and uneven roads

Border Racing Coilover for Audi S4 Avant - B8 - 2008-2015 Stelvio 4WD monotube design with oversized 44mmS1 Street Series Well balanced for premium street performance and ultimate driveabilty. The perfect choice for vehicles that spend their time prowling the streets. 32 way adjustable dampening to dial in the perfect setup reinforced rubber top mount for optimal stability and shock absorption highest specification SAE9254 material spring with 6061 aluminum body for performace and weather resistance height adjustable from 60mm to 100mm below stock height