Custom upgrade compression kit that has been put together using components which offer the best compression fitment.
This kit provides the following upgrades:
- Rocket aluminium nozzle with single o-ring (21.4mm)
- XT aluminium cylinder head with padded bottom and double o-rings
- ZCI Stainless steel cylinder (72mm length, 23.6 inner diameter, 25.5 outer diameter)
- ZCI 8 vent aluminium piston head
- ZCI 14 steel tooth piston