Blockade ARB - RD187 - Jeep Wrangler YJ, TJ, CJ (5-8), Cherokee XJ, Grand Cherokee ZJ, WJ

ARB RD187 Axle Lock fits the following models:

• Front and rear AMC Model 20 Axle - Hummer H1 - models produced after 1983
• Rear AMC Model 20 Axle - Jeep CJ(5, 6, 7, 8), Wrangler YJ, TJ, Cherokee XJ, Wagoneer XJ, Grand Cherokee ZJ, WJ - models produced between 1976-85
• Rear AMC Model 20 Axle - Jeep AMC Cherokee, Grand Wagoneer - models produced between 1980-86
• Rear AMC Model 20 Axle - Jeep J10, Light Truck, FC150, 170, Honcho - models produced between 1980-88

Axle Shaft Diameter: 31.8 mm (1.25")
Ring Gear Diameter: 225.42 mm (8.875")
Spline Count: 29
Ratio: 2.73 and lower

For more information about the RD187 axle lock part, refer to the exploded diagrams on the last pages of the lock instruction manual - download manual.