Adjust fuel pressure to your carb. to prevent needle & seat damage on performance carbs. Regulators are adjustable from 0 to full wide open flow. You should use a gauge to check the pressure. Lead Free Gasoline Only, Maximum 7 P.S.I.

WARNING: This product can expose you to chemicals including Lead which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. Wash hands following installation or before eating. All parts legal for use on pre-pollution controlled vehicles only.