Rear Brake Drum Fits: Jeep SJ & J-Series (1979-1988); 12" x 2-1/2"; J20 Pickup.

Thermostat 180°, For 134 CI, 161 CI & 226 CI Engines, 41-45 MB, 41-45 GPW, 45-49 CJ2A, 48-53 CJ3A, 50-52 M38, 52-71 M38A1, 53-67 CJ3B, 55-71 CJ5, 55-71 CJ6, 46-64 Truck, 46-64 Station Wagon, 48-51 Jeepster