Differential Case Assembly for Dana 30 (3.55 & Down Ratios) J0999415 4-piston (S4) caliper that offers

4-piston (S4) caliper that offers a piston area comparable to many 6-piston calipers

saddle mount kit is designed for exclusive use in the 1987-95 Jeep YJ Wranglers

and a reflective strip for increased visibility

Won't work with steel farm jacks

has adjustable pre-load settings

Differential Case Assembly for Dana 30 (3.55 & Down Ratios) J0999415 4-piston (S4) caliper that offersDifferential Case Assembly for Dana 30 (3. 55 & Down Ratios) Fits Jeep: Jeep Wrangler (TJ) (1997 2006) w Dana 30 Front Axle; w 3. 07 or 3. 55 Ratio. Jeep Wrangler (YJ) (1990 1995) w Dana 30 Front Axle; w 3. 07 or 3. 55 Ratio. Jeep Cherokee (XJ) (1990 2001) w 3. 07 or 3. 55 Ratio; Front. Jeep Comanche (MJ) (1990 1992) w 3. 07 or 3. 55 Ratio; Front. Jeep Grand Cherokee (ZJ) (1993 1998) w 3. 55 Ratio; Front. Jeep Grand Cherokee (ZG) (1997 1998); ZG