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The "new" spring will supersede the blue beehive spring.
New factory part number: 19420455.
This spring is a natural color, not blue.
The intention is a more durable and consistent spring.
Our preliminary in-house testing concurs with the intent, however we will continue to monitor specific criteria of the new springs and offer them in hand-picked qualified sets that are matched for the intake and exhaust part #SP604.
Additionally, Race-1 will monitor the life span of the new design should any intervals in spring maintenance need to be adjusted.
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