has stock crank, stock rods flat top pistons, world product torker heads that have been cut to increase comp. ran in my mod. Has approx 10-15 nights since it was freshened have the build sheet was done by auto rons in Davenport, IA. been an excellent motor but built a new motor so this one is just sitting now... only issue i have ever had with motor was broke a polylock once so i put studgirdle on it... asking 1500 obo call or text 217-553-1807