Holley 512-507 Adjustable Fuel Pressure Regulator 1992-96 LT1/LT4 Corvette. ADJ FUEL PRES REG LT1/LT4-CLEA. Street/Strip EFI Applications Fits 1992-96 LT1/LT4 Corvette Adjustable from 35 to 65 PSI. Holley fuel injection pressure regulators are designed to provide the correct fuel pressure for any high performance fuel injected vehicle. Regulators for dedicated applications are offered in various colors. These each feature a range of adjustability from 35-65 PSI. They are made to bolt in the stock location, so installation is a snap! Adjustable from 35-65 psi. CNC machined billet aluminum. Clear anodized for good looks and corrosion protection. Bolts in stock location for ease of installation. Compatible with Today’s Complex Fuels. CCS Kits are supplied with the highest quality components that meet or exceed original equipment specifications and all CCS kits are compatible with today’s complex fuel. Carburetor Collectible Specialty Thanks You for Your Support! Please before leaving Feedback. We strive for perfection, and welcome the opportunity to correct any issues with your order. Your satisfaction is our #1 importance. You will receive a response within 48 hours. Please limit your questions to the products we sell.