Trinity D4 Modified Motor 4.5T TRITEP1709 This is the D4 Modified Motor 4.5T by Trinity.Features: New Stator Design Certified Wire Gauge High Temperature Pure Copper Wire Infinite Actual Timing Adjustment New Style Endbell for Better Bearing Alighnment Easy to Solder Silver Plated Tabs Increased Venting for Better Cooling Grade 5 Bearings Uses All D3.5 Kill Shot Rotors