GM Vortec engine conversions, transmission and transfer case upgrades.(Automatic, NV4500 5-speed, orion and atlas tranfer cases), Full Suspension upgrades including custom coil conversions, Axle Rebuilding, Arb Locker installation, Dana Axle conversions, engine and chasses wiring hanesses, vortec computer re-flashing, power steering upgrades with new custom columns, rollcage fabrication, frame repair and specialized fabrication. BTB offers complete restoration services from start to finish.