This is one of the cleanest and no expense spared. pro street vega's. Straight running 700 hp 441 cu stroker. High Nickel Bowtie #094 Block. Professionally built by a 30 year veteran. 13. 5 compression. scat 4340 chrome moly crank. AFR 220 Heads. Forged pistons connected with billett oliver 4'' rods. Solid roller cam 702/685 lift. 289/291 duration. Jesel Belt