Product Details: 4.88 ring and pinion 216 mm ring gear 8.5" ring gear High pinion 7/16"-20 RH ring gear bolt threads Thick ring gear 3.73 and down carrier required 24 spline pinion shaft 1-5/8" pinion shaft diameter Parts Included: (1) ring and pinion set Fits: Dana 44 high pinion axles 2007 - 2018 Jeep Wrangler JK and JKU Rubicon with the Dana 44 front axle Dana Spicer Ultimate Dana 44 front axle Brand: Dana Spicer Part Number: Dana Spicer 2019749 Warranty: 6 month warranty and case by case basis. Axle Model: DANA 44 Carrier Breaks: NONE Cover Bolt Quantity: 10 Gear Ratio: 4.88 Include Installation Kit: N New Or Remanufactured: New On Vehicle Location: FRONT Pinion Gear Included: Y Pinion Gear Tooth Quantity: 8 Pinion Shaft Diameter: 1.625" Pinion Spline Count: 24 Ring Gear Bolt Qty: 10 Ring Gear Bolt Thread In.: .437"-20 Ring Gear Diameter (In.): 8.50" Ring Gear Included: Y Ring Gear Rotation: REVERSE Ring Teeth Count: 39