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the R1 is the culimation of intense data and perfection over years of track use
• designed for exclusive circuit use
SP Sport Series
• all Border coilovers use IP shock absorber oil and Japanese NOK oil seals
the SP series is a solid circuit performer
Border Racing Coilover for BMW M6 Coupe - E63 - 2005-2010 8S the R1 is the culimationS1 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
