S60 Rear Axle Assembly

The Strange Engineering PRSA05 is a custom-made S60 rear axle assembly designed for performance applications. This unit is professionally welded and assembled to your precise specifications, with factory or custom widths offered at no additional charge. The assembly includes an S60 housing with pre-installed coil spring mounts, ensuring a robust foundation for your drivetrain. The core of the PRSA05 is its 35-spline alloy axle package, paired with a Dana/Spicer Trac-lock differential. Buyers can select their preferred gear ratio from a wide range including 3.54, 3.73, 4.10, 4.30, 4.56, 4.88, 5.13, and 5.38. The assembly also features a choice of bolt circle pattern (4 1/2″, 4 3/4″, or 5″) and a selection of wheel stud kits, along with an S-Series pinion yoke and a Dana/Spicer steel cover. For clutch posi units, a bottle of friction modifier is included to optimize performance. The entire assembly is crated at no extra charge to ensure it arrives in perfect condition. This particular configuration includes the Dana/Spicer Trac-Lok Differential, which is currently backordered until 11/01/2025 and requires an upgrade. Additional upgrade options are available, such as a helical gear differential, Detroit Locker, a 5/8″ stud kit, chrome moly yoke, LPW aluminum cover, Strange aluminum cover, or a black powder coat housing. The product also comes with a California Proposition 65 warning regarding cancer and reproductive harm.