Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliabilityHigh-grade design and construction built to last for yearsDesigned to withstand the unique conditions of racingPerfect for use in high-speed environments Diaphragm Repair Kit by All Balls®. When it comes to quality, All Balls® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the highest-grade materials ensure the closest tolerances are adhered to. O-Ring: 1Spring: 1Screw: 5Diaphram: 1