This sled started at 577 lbs with no fuel, we now have it down to 521 lbs with the 3 pitch 162 X 16 X 2.5 track light rear skid, TI bolts and springs, billet wheels, Boss seat, Simmons lightweight skis, chromo front end, Specialty stinger. Waiting for single pipe, 4 weeks away should see another 8 lbs gone and some hp as well, stay tuned