This is the replacement GTR Shock Body for the TRA Nitro Revo Monster Truck. Aluminum Construction Polished Silver in Color Threaded for Easy Adjustment One Silver Polished Threaded Aluminum GTR Shock Body Assembly onto Vehicle Parts to Complete Shock (See Comments) Length (Overall): 40mm (1.57") Length (Threads): 12mm (0.47") Diameter: 15mm (0.59") To Complete this Shock you will need to order: 1x TRAC7465 GTR SHOCK RETAINERS 1X TRAC7462 GTR SHOCK REBUILD KIT 1X TRAC7463 GTR SHOCK SHAFT SS 1X TRAC7436 SPRING SHOCK GTR 2.9 WHITE 1X TRAC5666 SILICONE DAMPENER OIL JiM 8.9.2004 ir/jxs &