We have been working on products for the TPi community that are not only affordable but are made from the highest quality materials. We now have our own Stock Replacement adjustable Fuel pressure regulator for TPi. It is made from high quality CNC machined aluminum Billet. Available in Black Anodize or Bright Dip Clear Anodize. Fits: 1985-1992 Corvette 350 & 1985-1992 Camaro Firebird 305/350. Factory Fuel Rails Only!