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Heavy Duty Valve Springs, SR20DE Roller Motor (Not yet available)
HD VALVE SPRING FOR SR20 ROLLER CAM ENGINES ONLY. SR20DE USES A ROLLER CAM IN 2000-01. Allows 7400 rev limit (stock spring = 6800rpm) with JWT SR20S3R CAMS.
** These are listed here but not yet available. Possibly available end of 2008.
** These are listed here but not yet available. Possibly available end of 2008.