One 8" Boss Hog, (black) stalled @ 5,200 behind 400 sbc n/a 2,600 lbs, 456 gear. Ran 9.51 @ 146 One 8" Fairbanks (yellow/ blk stripe), stalled @ 5,500 behind 355 sbc n/a Bantam Altered, 1,750 lbs, 456 gear. Ran 9.70 @ 138 Both are turbo spline. $160 each shipped. Lower 48