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Y-BLOCK

Y-BLOCK

$55.25
$55.25
Sale Sold out

The MagnaFuel Y-Block is a precision-machined fuel distribution block that splits a single fuel feed line into two separate outlets, enabling dual-carburetor, dual-regulator, or dual-fuel-rail fuel delivery systems. It is an essential component for high-horsepower engines requiring two separate fuel pressure regulators or for tunnel-ram, dual-quad, and cross-ram intake manifolds. The Y-Block is equally suited for naturally aspirated, nitrous, and forced-induction fuel system architectures.

Machined from 6061-T6 billet aluminum and black-anodized for corrosion and abrasion resistance, the MagnaFuel Y-Block features one -10 AN female inlet and two -8 AN female outlets. The full-flow internal passages are free of sharp transitions, maintaining unrestricted flow to both legs simultaneously. It handles pressures up to 200 PSI and supports flow rates exceeding 600 liters per hour, making it compatible with any high-performance fuel pump on the market.

By providing equal distribution of fuel volume and pressure to two independent circuits, the Y-Block eliminates pressure drops and flow imbalances that can cause lean cylinders on one bank of the engine. This is especially critical in nitrous and boosted applications where even a 2% flow discrepancy can destabilize air-fuel ratios. The compact 3-inch body fits in tight engine bay locations and includes O-ring-sealed ports for leak-free operation at high pressure.

Add the MagnaFuel Y-Block to your fuel system build for clean, balanced fuel distribution and straight-through flow performance. Free shipping applies on qualifying orders of $425 or more.
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Frequently Asked Questions

Will the MagnaFuel fuel system component work with my existing fuel pump and injectors?

The MagnaFuel fuel system component is designed to integrate with most aftermarket and OEM fuel systems. It connects using standard AN fittings or factory-style connections depending on the specific model. The MagnaFuel part is compatible with both carbureted and fuel-injected setups when properly matched. Check the inlet and outlet sizes to ensure compatibility with your existing fuel lines and pump output.

How does the MagnaFuel fuel pressure regulator maintain consistent pressure under load?

The MagnaFuel fuel pressure regulator uses a spring-loaded diaphragm to maintain a steady fuel pressure across the flow range. It responds instantly to changes in manifold pressure in vacuum-referenced setups. The MagnaFuel regulator eliminates pressure spikes and drops that cause lean or rich conditions under load. Adjustable models let you fine-tune base pressure from 3 to 15 PSI for carbureted systems or 30 to 70 PSI for EFI systems.

What size fuel lines does the MagnaFuel fuel distribution block accept for my build?

The MagnaFuel fuel distribution block accepts -6AN, -8AN, or -10AN fittings depending on the specific model. It distributes fuel from a single supply line to multiple carburetors or fuel rails evenly. The MagnaFuel block is machined from billet aluminum for strength and corrosion resistance. Select a block with port sizes that match your fuel line diameter for optimal flow without restriction.

Can I mount the MagnaFuel fuel system part in the engine bay or near the tank?

The MagnaFuel fuel system part can be mounted in the engine bay, along the frame rail, or near the fuel tank depending on its function. Regulators and distribution blocks are typically mounted in the engine bay for accessibility. The MagnaFuel component should be mounted securely away from exhaust heat sources and moving suspension parts. Use rubber isolation mounts if vibration could affect the MagnaFuel part operation.

Do I need to use thread sealant on the fittings when installing the MagnaFuel fuel system part?

AN fittings used with the MagnaFuel fuel system component do not require thread sealant since they seal on the 37-degree flare surface. NPT-threaded ports on some MagnaFuel parts require a small amount of PTFE paste or tape rated for fuel use. Overtightening AN fittings can damage the sealing surface and cause leaks. Always use a backup wrench when tightening fittings into the MagnaFuel part to prevent internal damage.