Body > Truck Box > Truck Bed Side Rail. Stake Pocket Mount Pol Stainless Steel W/O Tie Down Not Compatible W/Tool Box. Bed Length is 78.0 inches / 198.1 centimeters, Bed Type is Fleetside, TFX Bed Rails, Quantity needed per vehicle: 1. 2001 2002 2003 2004 Chevrolet Silverado 1500. Whether you are escaping to the great outdoors or headed to the city, TrailFX® has the truck equipment and accessories to outfit your vehicle for any occasion.Quality, function, and innovation are key contributors which drive the development of all products under the TrailFX® brand.