SKU: RUS670380
UPC: 087133926179
MPN: 670380
The #4 Male to 8mm x 1.25 Male Str Adapter is a crucial hydraulic and pneumatic fitting designed for custom fuel, oil, coolant, and brake system plumbing in performance vehicles and engine builds. This straight adapter bridges two different port sizes and thread standards, making it essential for upgrading fuel systems or modifying cooling circuits where Russell fittings are specified.
This adapter features a #4 SAE male port transitioning to an 8mm x 1.25 metric male thread, enabling compatibility across both SAE and metric-equipped components. The straight configuration eliminates bends and reduces turbulence compared to elbow fittings, which can improve flow efficiency. Russell fittings are engineered to withstand pressure cycling, ensuring reliability in demanding applications.
Mechanics and fabricators building stroker engines or forced induction kits frequently utilize this adapter when OEM fuel lines or cooling paths require upsizing or rerouting. Its versatility makes it a valuable component for anyone looking to enhance their vehicle's performance and reliability.
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