1995 GMC C3500 6.5L, 18:1 pistons, HD splayed main bearing caps, Phaser gear set, Fluid Damper harmonic, Super 54 turbo, air to liquid Intercooler, water/methanol injection system, twin oil coolers, Mishimoto radiator, upgraded fan, dual thermostat, 40 row fan cooled trans cooler, 8 position tuner, Testing 3.42:1 differential. Driven truck to Alaska, own land in Alaska, two of my son's live in Alaska.