8AN to 6AN(3/8)NPT Adapter 45

The 8AN to 6AN (3/8) NPT Adapter 45 by Redhorse Performance is a precision adapter fitting designed for custom fuel, coolant, and hydraulic line routing in high-performance engine builds. This adapter is essential for those upgrading carbureted street machines, tuning modern EFI swaps, or fabricating custom cooling systems.

Engineered to bridge metric AN hose sizing to NPT threaded ports, this 45-degree angled adapter ensures reliable, leak-free connections. The adapter is precision-machined from aluminum, finished with durable anodizing to withstand exposure to fuel, oil, and coolant, while maintaining tight tolerances that prevent leaks.

Ideal for custom fuel system builds and engine transplants, this fitting is compatible with various applications, including hot rods and muscle cars. Serious engine builders and fabricators rely on Redhorse Performance adapters to simplify complex plumbing without sacrificing pressure integrity or aesthetic cleanlines.