QSA 1" - 3" Keys + 2" Blocks + U-Bolts - Compatible 2000-2010 CHEVY GMC 1500HD 2500HD 3500HD Silverado Sierra Fits RPO Codes FK2-FK3, FF6-FF7, FF8-FF9 Codes in Glove box!

Compatible with: 2000 - 2010 Chevrolet Silverado 1500HD, 2500HD, 3500HD Models, GMC Sierra 1500HD, 2500HD, 3500HD Models, Chevrolet Avalanche 2500, Chevrolet Suburban 2500, . DOES NOT FIT 1500 (non-hd) models!! MUST HAVE Torsion bar front suspension and Leaf Spring Rear Suspension. CHECK RPO Codes (typically located in Glove Box): These torsion keys fit the following codes: (FK2-FK3), (FF6-FF7), (FF8-FF9) IF You have a different code, send us a message first so we can assure you get the correct key. Or check our other listings!

• See Description Below for applications (2000 - 2010 Chevy / GMC HEAVY DUTY MODELS)
• Includes: Heavy Duty Forged Torsion Keys (L+R), 2" Lift Blocks, AND U-bolts
• Allows for leveling (lifting) the Front of Your Vehicle Between 1" - 3" in the front and 2" in the rear. However, we don’t recommend going above 2.0" in the front.
• Torsion keys Have High Quality Powder Coated Finish to Protect from Rust
• Blocks are tapered to correct for pinion angle