Built by Ronnie Goad 428 ci 12.0 compression, Probe flat top pistons 4.130 bore,lunatic 3.98 stroke crank,Comp roller cam 253/ 265 .050 685 lift , Faulkdaddy steel heads,Dove single plain intake, 2 1/8 headers, Machine work at Felts Machine in Suffolk Va. see Jay or Travis.