These are NEW. Built to order. 410 C.I.D. using the LS7 Aluminum RHS block, AllPro heads,Callies crankshaft, Callies billet rods, JE pistons. Kinsler injection, airbox, MSD Pro mag system, complete/dyno tested and includes required machining of rear motor plate. $45,000 Big smooth power. Wolfe Racing Engines Phone:618-203-3724Email: wremotorsports@gmail.com