- Kit contains all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models
- Cylinder Head Service Kits include the below components:
- Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive or dual valve springs, steel basewashers and rubber coated valve stem seals
- A full set of C630 bronze high-performance valve guides for durability and heat management (standard size)
- A full top-end gasket kit including (base gasket, engine case gasket, exhaust gasket, head gasket, and other o-rings/washers depending on application)
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2005-2009 | Honda | CRF450X | |
| 2012-2017 | Honda | CRF450X | |