Well I built those 2 SC IV 1058, t-case braced and pump rub fixed, and mine with billet shafts this weekend, just need the lift pump and E-locker installed and traction bars for mine made and we're ready. I wish the tires on my bronco II were 31-33s instead of 39.5s, they'd be the perfect tread for pulling - some Interco Truxs STS's