Home / Avionics / Instruments & Gauges / Probes / Sending Units / Leads / Probe, EGT, Clamp Short Probe, EGT, Clamp Short$32.13 Probe, EGT, Clamp Short quantity Add to cart SKU: INEGP100S Category: Probes / Sending Units / Leads Description Description Clamp on probe for use on 377, 447 and 912. Clamps directly onto exhaust manifold. One probe per cylinder. Use3/16″ dia. hole