GM 4 bolt block. Callies compstar 3.75 stroke 42lb crank. Callies compstar 6inch rods. 4.03 mahle pistons. Clevite H series bearings. Total seal file fit rings. Comp roller cam. Dart iron eagle 230 heads. Scorpion roller lifters. Harland Sharp roller rockers. Stud girdles. Holley strip dominator intake. Champ oil pan. Everything was brand new 25 nights ago with the exception of the head castings and intake. Never ran hot. Always ran 6800-7000 rpm. Brad Penn oil change every 2 nights. Complete pan to intake. $4500 text 814-715-4534