⭕ Mopar Performance R-3 Block with W-7 heads. Includes, Callies 3.8 inch stroke C/S with 2.0 inch Chevy pins. Groden aluminum rods, CP pistons 4.03 bore, 1.5, 1.5, 3.0 mm rings, Mahle motorsport moly rings, bob weight 1619 gms, Racer Brown 102R Roller cam 272/272 @ 050 with .420 lobe, Ground for 108, installed at 102 - Isky lifters, T&D rockers 1.55/ 1.55 -- yields .651 lift, ported W - 7 with titanium valves, retainers and keepers, CV products pushrods, Stewart Water Pump, Milodon gear drive, Champ dry sump pan, Peterson 4 stage oil pump and ported single plane intake. This has been on the dyno only ! Produced close to 700 HP at only 6800 RPM .