5" BS 752cuid. Motor was originally a Hans Fuestel build but has since been freshened by Sunset Racing Engines. Motor has new titanium valves, new CP Carillo gas ported nitrous piston with 2 new spares, new MGP aluminum rods, new rings, bearings, polished bryant billet crank, CFE 18 degree heads, block was checked with no defects, new belts for belt drive timing and distributor, new Jesel front mount distributor, new Moroso crank trigger wheel and pickup. Motor has 4 switzer dynamics kits with promod fuel rail system and single return style regulator it is in car now you can hear it run and see it has good oil pressure. 5 60' hits since freshen up to shake down new setup on chassis, I have receipts from Sunset for over 16,000 just for freshen with dyno sheets available. Motor made over 1300hp on dyno with a big nitrous cam.