"Kit includes: 4 aluminum threaded shock 06038, 2 universal shafts 06046, 1 fuel filter 02156b, front lower aluminum arms 06050, rear lower aluminum arms 06051, wheel nuts 02190b, tuned pipe 02124 and header 02031a. Optional/Needed parts to complete the hop up kit: 02096 fine thread screw for shock into aluminum arms. 02094 new exhaust header screws 02299 new exhaust gasket 02027 new exhaust coupler w/zip ties"