8AN to 6AN Y-Block Single Inlet Dual Outlet

The 8AN to 6AN Y-Block Single Inlet Dual Outlet fitting from REDHORSE PERFORMANCE is purpose-built for custom fuel, coolant, and hydraulic distribution systems where flow needs to split or merge across multiple pathways. This adapter excels in high-performance engine builds, turbo setups, and fuel management systems where you need reliable line splitting without sacrificing flow integrity. Whether you're upgrading a carbureted engine, integrating a secondary fuel rail, or designing a complex cooling circuit, this Y-block handles the task with precision engineering that seasoned mechanics depend on.

The single inlet accepts 8AN hose or hard line tubing, while dual 6AN outlets provide flexibility for distributing flow to two separate destinations—critical when balancing pressure across multiple components. REDHORSE's reputation in the performance community stems from their aluminum construction and precision CNC machining, which minimize internal turbulence and maintain steady pressure ratings. The compact 2.8" × 1.4" × 3.75" profile fits tight engine bays and confined spaces, while the 0.13 lbs weight adds negligible mass compared to cast-iron alternatives. Anodized aluminum resists corrosion in underhood environments and maintains structural integrity across wide temperature swings typical of high-boost applications.

This Y-block suits fuel system designers, turbo kit builders, and engine swap enthusiasts who demand reliable distribution without failure points. It integrates seamlessly into aftermarket fuel rail systems, turbocharger coolant loops, and custom hydraulic setups common in street rods, drag racing platforms, and track-focused builds. Installation requires AN hose fittings rated for your system pressure—verify compatibility with your existing line specifications and ensure all connections are properly torqued and sealed. For anyone serious about fluid distribution reliability in modified engines, this adapter represents the quality standard mechanics and fabricators have trusted for decades.