Comes complete as a discounted bundle kit containing everything you need to upgrade your Baja or Hybrids clutch system to a full HD 15mm Shaft blackbone kit
 
CY Clutch backplate
Blackbone/FS 9500rpm clutch
Blackbone 54mm HD Clutch Bell
Taylor 54mm HD Clutch bell carrier 
Taylor HD gear backplate
 
Dont forget youll need matching blackbone gears and alloy carrier from this link to suit your engine: SMALL BLOCK ENGINE BLACKBONE GEAR SET