The DU-BRO Bolt-On Pressure Fitting provides a simple and reliable way to add a pressure tap to your RC engines muffler or crankcase. This fitting helps supply steady fuel tank pressure, giving your engine smoother fuel delivery, more consistent tuning, and better overall performance. Whether you are flying glow or gas engines, this small but essential part keeps your fuel system working at its best.
Each fitting includes a brass pressure nipple, a fiber sealing washer, andon the #241 versiona mounting nut for easy installation. You can install the fitting by either drilling and tapping the correct size hole in your muffler/crankcase, or by using the included nut (model #241 only) to secure it from the inside. Installation is quick, clean, and dependable.
DU-BRO offers three versions to match the tubing size used on your model:
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#241 Recommended for 1/8″ tubing, includes mounting nut
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#539 For 5/32″ tubing
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#540 For 5/32″ tubing
All versions weigh only 1 gram, making them incredibly lightweight while still delivering strong, leak-free performance.
These pressure fittings are perfect for glow engines, gas engines, and any model that requires reliable tank pressurizationespecially sport planes, scale aircraft, and high-performance setups.
Proudly Made in the USA, the DU-BRO Bolt-On Pressure Fitting is a small upgrade that makes a big difference in engine consistency and fuel system reliability.
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