The VORTEC engine is a powerful, efficient, low-maintenance engine that performs for years under the most demanding conditions. We offer four different Vortec engines. From the powerful and efficient Vortec 4300 to the muscular Vortec 6000, every GM Vortec engine delivers the rugged power you need for taking on long hauls, heavy loads, and rigorous driving conditions with confidence and ease. The Vortec engines offered by TLC are production line test motors. They have an average of 50 test miles on them. They come fully assembled with P/S pump. A/C compressor, water pump, serpentine belt and tensioner, and intake and exhaust. Take off wiring harnesses and computers sold seperately. VORTEC ENGINES OFFERED: 4.3L V6 -4300 200 hp 260 lb-ft $4000.00 5.3L V8 - 5300 285 hp 325 lb-ft $5500.00 5.7L V8 - 5700* 255 hp 330 lb-ft $5000.00 6.0L V8 - 6000* 300 hp 355 lb-ft $6500.00 * Multiple torque and horsepower levels available, base numbers listed.