1997-2003 Gavril D15 (1997-2003 Ford F-150) Engines: 4.2L V6 4.6L V8 5.4L V8 Transmissions: 4-speed Auto 5-speed Manual Body Styles: Reg Cab Short Bed Reg Cab Long Bed Reg Cab Stepside Ext Cab Short Bed Ext Cab Long Bed Ext Cab Stepside Crew Cab Short Bed Variants: Thunder: The Gavril D15 Thunder was built through 1999 and 2004. It is based off the 1999-2003 Ford SVT Lightning. It was built with a regular cab and a stepside bed by default. It was powered by a supercharged 5.4L V8 and had 360HP but was upgraded later to 380HP and had a 4-speed automatic transmission. It had a limited slip differential, integrated fog lamps, custom upper and lower grilles, 4-wheel ABS, and custom tires and wheels. Redwood: The Gavril D15 Redwood was introduced as a concept in 1999 and was in the market to the public in 2001. It was only avalible in black. It also had a different front grill, rear barn doors, a tonneau cover, and was running on a 300HP 5.4L V8. 1999 Gavril D15 Thunder 2001 Gavril D15 Redwood.