- 9" 230mm X 7/8" 22.2mm X 28T
NOTE: This Superior Quality Conversion Kit replaces the Original Dual Mass Flywheel present in some vehicles, which is notable for failing quite constantly and for having to be completely replaced every time you perform a clutch change. Our system replaces the Dual Mass Flywheel with a Single Mass Solid Flywheel, which comes with many added Benefits : They can be resurfaced, and DMFs cannot, so you don't have to buy a new flywheel everytime you change your clutch, making it a lot more cost effective; Also SMFs are designed to withstand frequent speed and gear changes; They do not break up when they fail; They run a lot cooler, lengthening your clutch life, Etc.