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In endurance racing and high-stress track applications, engine oil doesn't just lubricate; it acts as a critical coolant for the internal rotating assembly. When oil temperatures eclipse the 300°F mark, conventional and even some synthetic racing oils begin to shear, rapidly losing their viscosity and protective film strength. This leads directly to spun bearings and catastrophic engine failure.
The Longacre 300º Oil Temperature Sender is the ultimate early-warning switch designed to catch this thermal breakdown before it destroys a motor. Factory-calibrated to instantly close the circuit and illuminate a bright dashboard warning light the exact moment oil temps hit the perilous 300°F threshold, this sensor commands the driver's attention far faster than a sweeping gauge needle. Featuring a standard 3/8" NPT thread, it easily installs into aftermarket oil pans, remote filter mounts, or oil cooler plumbing.
Key Features
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300°F Activation Point: Precision-tuned to send an immediate electrical signal when oil temperatures reach the critical 300°F danger zone, giving the driver crucial time to back off the throttle or switch on auxiliary oil cooler fans.
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Standard 3/8" NPT Fitment: Engineered with a 3/8-inch National Pipe Thread base, allowing it to screw directly into standard aftermarket oil pans, dry sump tanks, and remote filter relocation kits without needing custom-machined adapters.
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Insulated Blade Terminal: Features a secure, heavy-duty insulated blade terminal for fast, reliable wiring to any standard 12-volt dashboard warning light or master caution circuit.
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Racing-Grade Durability: Built specifically by Longacre to withstand intense fluid pressures, extreme ambient radiant heat, and the violent harmonic vibrations of solid-mounted race engines.
