Yukon Gear & Axle YGK2330 Re-Gear KitDifferential Gear Set Re Gear Kit Re Gear Kit; 8. 5 in. Gm 3. 42 Rear and Up Gear Ratio; Install Kit Package With Ak 1563 Axle Brgs; 2. 25 in. O. D.; SPECIFICATIONS: WARNING CA Proposition 65: No FEATURES: Fits GM 8. 5 in. differential Coverage Incl. 70 To 81 Firebird Trans Am; 70 To 77 GTO; 25 Other Models; Or Anything Hot Rodded w A GM 8. 5 in. Diff 3. 42 Ratio 30 Spline Pinion Gear 10 Bolt Ring Gear Incl. Ring And Pinion Gear Set; And All Required

Manufacturer Part: TH40380

Manufacturer Part: TH35915

Mesh Aluminum Accents

Manufacturer Part: WQ47780

Track Arm Bushings

Does not include Cut Out for turn signal

This kit contains all the components to replace

Accent Led Lighting

Installs in seconds with no special tools required other than the included key

33 9/16 in

Manufactured by the same Tier-1 supplier the OEMs use

UPC: 010767712382