Product Details: 4.56 ring and pinion 8.8" ring gear 7/16"-20 RH ring gear bolt threads Thick ring gear 28 spline pinion shaft 1-5/8" pinion shaft diameter Parts Included: (1) ring and pinion set Fits: Ford 8.8" rear low pinion axles Brand: Dana Spicer Product Line: SVL Part Number: Dana Spicer 2020499 Warranty: 6 month warranty and case by case basis. Count on SVL ring and pinion gearing to deliver the ideal blend of coverage, performance, and value for your vehicle. SVL gearing is engineered for all makes and ratios, and the processes that go into manufacturing SVL gearing make all the difference. Axle Model: FORD 8.8" Axle Type: Semi Floating Carrier Breaks: NONE Cover Bolt Quantity: 10 Gear Ratio: 4.56 Include Installation Kit: N New Or Remanufactured: New On Vehicle Location: REAR Pinion Gear Included: Y Pinion Gear Tooth Quantity: 9 Pinion Shaft Diameter: 1.625" Pinion Spline Count: 28 Ring Gear Bolt Qty: 12 Ring Gear Bolt Thread In.: .438"-20 Ring Gear Diameter (In.): 8.8" Ring Gear Included: Y Ring Gear Rotation: STANDARD Ring Teeth Count: 41