Alfano Ext Cable for NTC, Red Item Number: A3301 Price: $24.00 Add to Cart Description This product is a NTC extension cable for connecting all NTC sensors. It works in conjuntion with the A2104 head temp sensor. The product is 135 cm in length. Accessories Alfano Head Temp Sensor Sensor NTC, Red Tachometer Mount, Angled G-Man MyChron Tach Bracket