Home / Avionics / Instruments & Gauges / Probes / Sending Units / Leads / Probe, EGT, Thr. Metric Probe, EGT, Thr. Metric$33.48 Probe, EGT, Thr. Metric quantity Add to cart SKU: INEGP200 Category: Probes / Sending Units / Leads Description Description Fits Rotax 503 / 582 threaded bung on exhaust manifold. Threaded section is 8 mm