This Swap-In-A-Box Kit is developed specifically for installing an LS engine and T-56, 200R4, TH400, 4L60E, 4L65E, 4L70E or 4L80E transmission into ’78-82 GM A-Body, and ’83-88 G-Body cars… and trucks when you throw in the El Camino (Caballero, Cutlass, El Camino, Grand Prix, Monte Carlo, Regal). This comprehensive kit includes a pair of mild steel, satin black ceramic-coated, 1-3/4″ diameter, Mid-Length headers with gaskets, bolts and exhaust collector adapters; a complete LS engine mount kit with hardware and rubber pads; LS swap engine oil pan with bolts, gasket and special oil pick-up tube; a transmission crossmember with rubber isolator pad, adapter brackets to accomodate all the listed transmission models and hardware; an LS swap engine oil pan with bolts, gaskets and special pick-up tube.