Intended to make plumbing dual fuel lines to your carb easy. These billet aluminum Y-blocks are designed for optimum flow in both street or race applications.

NPT Female Port Y-Blocks
These blocks feature 3/8'' NPT inlet and outlet ports. For maximum flow applications, our race blocks utilize large 1/2'' NPT inlets with either 3/8'' NPT or 1/2'' NPT outlet ports. All blocks feature a 1/8'' NPT pressure gauge port and are anodized red for a great appearance.

AN Female Port Y-Blocks
These Russell billet Y-blocks are machined to accept AN straight thread adapters. Use Russell radius AN o-ring port fittings for the ultimate in flow capacity.