Head Bolt Set 4.8L 2015 GMC Savana 3500 - HBK3169.385 Head Bolt Kit . Fits: 04-17 Chevrolet, GMC, Isuzu 4.8L-7.0L V8 OHV Naturally Aspirated, SuperchargedFitment Notes: One Set Services Complete Engine, LS7, One Set Services Complete Engine, LY2, w/...