This atmospheric blow-off valve features a variable exhaust port system, providing superior venting of excess pressure. Simple and effective. Small footprint makes it an ideal choice for larger capacity, space-restricted engines. Preferred choice of drifting and circuit enthusiasts. Comes with an aluminum weld-on adapter.
NOTE: If you are mounting this on a steel intake tube you will need to purchase a steel weld-on adapter, see Part #: 1072011.
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