Supertech Supertech SPRK-H1000D-BM-ST - BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit MSRP: $927.61 Was: Now: $742.25 Add to Cart
Supertech Supertech SPRK-H1005D-BM - BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit MSRP: $1,050.31 Was: Now: $840.43 Add to Cart
Supertech Supertech SPRK-H100DR-BM-16 - BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit MSRP: $700.21 Was: Now: $560.29 Add to Cart