| Vehicle Fitment | 2018 and Newer Jeep Wrangler JL |
| Extreme 60 | ___________________________________________________________________________________ |
| Pinion Yoke | 1350 series u-joint |
| Differential Cover | Currie nodular-iron cover, Red |
| Axle Tubes | 3.5 inch diameter, .375 wall DOM tube |
| Suspension Brackets | Heavy gauge 3/16 steel mounting brackets |
| Width | 70-inches wide (between wheel mounting surfaces) |
| Wheel Bolt Pattern | 8-lug (8 x 6.5 in.) with 9/16 studs |
| Finish | UV stable satin black powder coat |
| Front Extreme 60 | ___________________________________________________________________________________ |
| Center Section | Extreme 60 nodular iron high-clearance center section with rotated cover, and replaceable hardened steel skid plate, Extreme 60 standard rotation nodular iron center section with thick webbing and reinforcement in critical areas |
| Pinion Oiling | High volume flow-thru recirculating oil system |
| Gear Set | 60 series reverse rotation thick gear sets |
| Skid Plate | AR400 hardened steel skid plate |
| Axles | Currie Extreme 35-spline (1.5 in. diameter) 4340 Chromoly inner and outer axle shafts with 1480 u-joints, Currie Extreme double splined full-floating 40-spline (1.7-inch diameter) 4340 heat-treated chromoly |
| End Forgings | Currie 1-ton heavy-duty forged steel inner C’s |
| Steering Knuckles | Currie 1-ton nodular iron steering knuckles machined and keyed for high-steer arms |
| Unit Bearings | 1-ton unit bearings with JK tone rings installed for ABS and ESP retention |
| Hubs | Warn Premium locking 35-spline hubs |
| Brake Rotors | 14.250-inch vented rotors (over 1.25 in. larger diameter than stock, provides increased brake force), Upgraded 13.750-inch vented rotors (.850 in. larger diameter than stock, provides increased brake force) |
| Brake Calipers | Jeep Gladiator dual-piston front calipers, Jeep Gladiator truck rear calipers |
| Tie Rod | 1-ton 1.357 in. OD x .375 wall heat treated chromoly tube with forged tie rod ends |
| Geometry | Optimized for stock height or lifted vehicles with 5 degrees of pinion angle and 5 degrees of caster angle, Optimized for stock height and lifted vehicles with 5 degrees of pinion angle |
| Track Bar Mount | Integrated raised track bar and ram-assist mount setup for PSC 8-inch travel ram |
| Rear Extreme 60 | ___________________________________________________________________________________ |
| Floater Spindle | Currie Full-float 2.5-inch heat-treated 4140 Chromoly spindles |
| Floater Hub | Currie billet steel full-floating hubs with 40-spline drive flanges, JK tone rings installed |
| Parking Brake | Modified for floater OEM backing plate and parking brake assembly |