COMP Cams 7869-12 High Energy 5/16" Diameter 8.684" Length Pushrod for Buick V6, (Set of 12) 5/16 inch diameter; 8.684 inch length High Energy Pushrod for Buick V6 Best choice when building street rods, RVs or daily drivers Meet or exceed all OE pushrod specifications Mate perfectly with High Energy and Magnum Rockers