Xceldyne XSSM42001 Exhaust Valve Spring Seats casual-wear-headwear The EVO5005C Evolution Cold Air

The EVO5005C Evolution Cold Air Intake System uses a custom designed and dyno-tuned intake tube to produce huge power gains while retaining an OE quality fit

Will not work with dual-mass flywheel

Performance consistency until the end of the tires life

Eye-catching bronze finish

Durable enough for countless weekends with your friends in the desert or at the track

Xceldyne XSSM42001 Exhaust Valve Spring Seats casual-wear-headwear The EVO5005C Evolution Cold AirPrecision 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. Sold as a set of 2. Vehicle Fitment: 2001 2009 Yamaha WR250F 2002 2012