Justin Partin walloped his ’93 YJ until it spit a front driveshaft U-joint. A quick trail repair had the 4.0L back to spinning the TorqueFlite 904, and doubled NV231 T-case. A custom rear four-link suspension and a front spring-over locate front and rear Dana 60 axles with 4.88 gears. The Jeep rolls on 14/42-16 Super Swamper Irok tires wrapped over 16-inch beadlocks.