Reducer Bush 1/2 To 1/8

The Reducer Bush 1/2 To 1/8 from XRP-XTREME RACING PROD. is a precision fitting designed for high-performance fuel, coolant, and pneumatic line applications in custom automotive builds. This reducer bushing bridges two different NPT port sizes—stepping down from a 1/2 inch male connection to a 1/8 inch female outlet—allowing technicians to adapt existing hose runs or fuel system components without fabricating custom manifolds. Whether you're upgrading a fuel pressure regulator, installing a secondary gauge, or reconfiguring coolant bypass lines on a turbocharged or naturally aspirated engine, this compact aluminum fitting delivers the mechanical flexibility modern hot rods and modified street machines demand.

Constructed from lightweight aluminum and finished in blue anodized coating, the Reducer Bush 1/2 To 1/8 resists corrosion while maintaining excellent strength-to-weight characteristics critical in engine bays and fuel cell installations. The anodized surface protects against oxidation in wet environments and looks professional in show-quality builds. NPT (National Pipe Thread) porting ensures reliable, leak-free connections on both inlet and outlet sides—a standard in racing applications where fuel system integrity directly impacts both performance and safety. The 0.07 lb weight and compact 2.7 x 1.25 x 3.6 inch footprint make it ideal for tight underhood spaces where space-conscious plumbing is essential.

Mechanics and engine builders working on fuel-injected conversions, EFI retrofits, and custom pressure regulation systems will appreciate the adapter's plug-and-play compatibility with standard NPT manifold ports. Use this fitting to connect smaller-diameter gauge lines, regulator inlets, or secondary fuel rails to primary distribution blocks without requiring custom drilling or welding. Installation is straightforward with hand tools or standard wrenches; thread sealant (PTFE tape or liquid pipe dope) ensures permanent sealing. Sold as a single unit, it's an economical solution for one-off chassis builds, race car fuel system modifications, and street rod restorations where adapter fittings eliminate costly custom fabrication.