Everything brand new. Rods/crankshaft/pistons / mahle plasma moly rings For a 40 over sbc 350. Scat crankshaft new. Mahle rod bearings. Speed master rods. Speed pro pistons( sealed power). Rods and Pistons are balanced within 1 to1 1/2 grams. Crankshaft balanced to 0 of bob weight. Mahle plasma moly rings. Have a set of vortex heads that would be perfect for this assembly.