Xceldyne XSSM13001 Spring Seats

Precision CNC machined from 8620 case hadened steel.
High tolerances ensure seats are flat for longest possible life. Cheaper non-flat seats fracture and eventually disintegrate at rpm which distributes like shrapnel throughout your engine.
Pad is parallel to bottom surface for consistent spring pressures.
Specially designed for CV4s valve springs.
Must be used with PSI Springs.
Set of 2.
.110in. Thick - Titanium Valves

This item fits the following vehicle applications:
compatible with Honda CRF450R 2002-2008
compatible with Honda CRF450X 2012-2017
compatible with Honda CRF450X 2007-2009

• Precision CNC machined from 8620 case hadened steel
• High tolerances ensure seats are flat for longest possible life.
• Cheaper non-flat seats fracture and eventually disintegrate at rpm which distributes like shrapnel throughout your engine
• Pad is parallel to bottom surface for consistent spring pressures
• Specially designed for CV4s valve springs