Exhaust Valve Stainless Psychic Crf450R 07-08 (Heavy Duty Springs Reccommended) 2602-0599 These kits include seven steel

These kits include seven steel bushings and spring clips

Capacity: 12 Ton

220" (7/32") restrictionIncludes mounting bracketHigh pressure (4-1/2 to 9 psi)Chrome finishNot alcohol compatible

Afterburner Small Block Ford Typhoon Intake Manifold - Black suits 351W engine

Exhaust Valve Stainless Psychic Crf450R 07-08 (Heavy Duty Springs Reccommended) 2602-0599 These kits include seven steelOEM Replacement Valves ? are manufactured to OEM specifications from SUH3HT Steel for added corrosion and oxidization resistance. Performance Valves ? feature a forged one piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. This provides reduced friction for quicker higher revs and a longer valve life. Heavy Duty Springs Recomended Exhaust Valve Stainless Psychic CRF450R 07 08 (Heavy Duty Springs