73 340 in my 68 fastback barracuda formula s. The build stock crank and rods. Bored .030 over. Pistons Kb 243-030 , speed pro moly rings , clevite 77 mains and rod bearings. Cam, and lifters lunati 043 bracket master dur 285/285 lift .480/.480. Melting oil pump , heads are 587s that mildly ported and polished ,2.020/1.60 competition products stainless steel valves. Timing set Mrllins. Eddy performer intake ported and open up some. 1 5/8 to 3" headers 3" h pipe all the way to back. Msd box and dist ,750 dual feed Holley,blue elec holly fuel pump. Trans 727 shift kit ,489 rear 390 gears.