4- Port Log for Holley 12-803 Regulators Black

The 4- Port Log for Holley 12-803 Regulators Black is an essential component for high-performance fuel systems requiring precise pressure management across multiple carburetors or nitrous stages. This fuel distribution block provides a clean and efficient way to mount and feed several regulators from a single high-flow fuel line. By consolidating your plumbing, you reduce the risk of leaks and simplify the layout of your engine bay for better maintenance access. It is ideal for drag racing, high-horsepower street builds, and marine applications where fuel volume is critical.

Constructed from high-grade billet aluminum, this fuel log is engineered to withstand the high pressures and vibrations common in performance environments. The unit features two -10 AN female O-ring ports for the primary fuel supply and four -8 AN female O-ring ports designed to interface directly with Holley 12-803 style regulators. The black anodized finish not only provides a sleek, professional appearance but also protects the aluminum from corrosion and wear. Each port is precision-machined to ensure a leak-free seal with standard O-ring boss fittings.

Performance enthusiasts looking to buy a reliable fuel distribution solution will find this log simplifies the installation of complex fuel systems. It is specifically designed for compatibility with Holley 12-803 regulators, making it a drop-in solution for many existing carbureted setups. Whether you are upgrading your current fuel system or building a new high-output engine, this component ensures consistent fuel delivery to every regulator in the chain. Review the specifications to ensure your plumbing matches the -10 AN and -8 AN port sizes for optimal flow.