OEM Kit Includes: 1 Group Screw - Part No. 37030518
1 Group Head Gasket 2013 Traditional / Firm - Part No. 36301046
1 Stainless Steel Group Head Shower Screen - Part No. 40200005
1 Stainless Steel Group Head Jet Breaker - Part No. 25139001
Will not work on the older rounded styled V1 group head.