5000 miles since the engine build listed below.

Screaming eagle roller rockers, pac valve springs retainers and locks, 57mm throttle body, 4 1/4 boar nickel silicone carbide cylinders, cp pistons and rings, screaming eagle hand ported heads, smith brothers pushrods, jims hydro solid lifters, t-man 725 lift 270@50cam, Andrews gear drives, billet flywheels and billet rods, lightened balanced trued and welded, 1084 compufire gearset, high torque starter, tac centrifugal assist pressure plate, d@d boarzilla pipe, 124 cubic inch - 156hp and 148 lb/ft torque