[DP935]

After speaking with the machine shop and the original owner, here are the real specifications on the engine.
Bore is 4.250 (.017 over)with 100 miles since complete rebuild
BRC dome pistons, 10.5 compression
Lunatti roller cam, duration@50 thousand, 256, 264
Lift 595, 613
Stainless steel valves with Doves aluminum rocker arms and end supports
High rise C4AE heads, mild/mod. ported and flow tested, 330 cfm intake and 218 exhaust
Lemans crank
Lemans rods, shot peened, polished and balanced
Weber high rise intake, Hilborn fuel injection unit, custom fuel rails and linkage. 36 lbs injectors, high pressure fuel pump
Accell digital fuel injection management
Custom billet aluminum air cleaners
adjustable damper and March pulleys
Initial dyno had it at 525 HP but once tweaked it is expected to come in around 600 HP
Lakewood bell housing
New Richmond 5 speed with shifter
Auction was ended early with the engine being bought offline