Complete New Set of 10 Stabilizers and 16 New Rocker Arm Collars for gen 3 Chrysler 5.7, 6.1L Hemi. This combination of Stabilizers and Collars will virtually eliminate the possibility of a valve train failure. These Collars and Stabilizers are CNC Machined from Aircraft Billet Aluminum and Anodized for ware and long lasting appearance. PLEASE SPECIFY WHICH MOTOR AND HEADS YOU HAVE. 6.4 collars and stabilizer are anodized blue,as they are a different size.