Intake duration (degrees at 1 mm): 238.00. Intake lift (mm): 7.05. Intake lobe center (degrees): 103.50. Intake valve lash (mm): 0.10. Note: Uses stock valve springs and rockers. Fits HONDA TRX250X 87-92, TRX300EX 93-08, TRX300X 09
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- Not re-welded or re-ground