Fits: 2001 Thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM Duramax Diesel

Replacement 1" CV Axle Spacers for your RCD lift kit, includes hardware and spacers. Spacers can help ensure proper CV engagement and prevent damage to axles and driveshafts. It is recommended for Vehicles if the lift provided spacers. Stock/Leveled applications will not use nor need spacers.