Yes, that's a 383 stroker inside that '93 Camaro. It still uses the Gm OptiSpark unit.  Built with H-Beam rods, roller hi-lift cam, ported heads, roller rockers, balanced, and installed. 1969 PONTIAC FIREBIRD 428 CID THIS PONTIAC ENGINE HAS BEEN COMPLETELY REMANUFACTURED. BLOCK HAS BEEN BOILED, BORED & HONED, CRACK CHECKED, ALIGN HONED, AND CONVERTED TO 4 BOLT MAINS. CRANKSHAFT WAS REGROUND, A SET OF NEW H-BEAM CONNECTING RODS, NEW PISTONS, RINGS AND BEARINGS. ROTATING ASSEMBLY WAS BALANCED. CYLINDER HEADS HAVE BEEN CRACKED CHECKED, GOT A 3 ANGLE VALVE JOB, PORTED & POLISHED, NEW SPRINGS TO MATCH THE HIGH LIFT CAM, AND SPRING HEIGHT SET TO SPEC. THIS ENGINE IS BUILT FOR SPEED, STRENGTH & DURABILITY. THIS 428 PONTIAC FIREBIRD PROJECT ALSO INCLUDED A COMPLETE CHASSIS AND BRAKE UPGRADE.   WE DID NOT DO THE INSTALL FORD 351W THIS 1969 FORD ENGINE WAS BUILT WITH NEW EDELBROCK 2.02"/1.60"- 60CC HEADS, BORED .040" OVER, FORGED PISTONS WITH PLASMA-MOLY RINGS TO HANDLE THE 10.3 COMPRESSION RATIO. ROLLER LIFTERS & ALUM ROLLER ROCKER ARMS, MODERNIZE THIS CLASSIC. THE NEW CHRO-MOLY FLOATED RODS KEEPS IT ALL TOGETHER. 2005 FORD MUSTANG G.T.500E SHELBY EVEN THIS MUSTANG'S 5.4L ENGINE JUST ISN'T FAST ENOUGH. A SALEEN SUPERCHARGER CERTAINLY HELPS IT THOUGH.