Kryptonite Upper Control arms are laser cut and welded into an extremely strong boxed design. Made with pride here in small town USA and backed with a lifetime warranty. Kryptonite UCA kits will improve the ride of any K Series 4WD Truck/SUV. These Control Arms will not fit a 2WD truck Features:Kryptonite Upper Control Arm KitPre-Greased Ball JointsMade from laser cut steelStonger than stock control armsMade In USALifetime warranty Fitment:1999-2000 Cadillac Escalade [4WD Models](Fit 7200lb GVW Only)1990-2005 Chevrolet Astro [AWD Models]1992-1994 Chevrolet Blazer [4WD Models]1988-1999 Chevrolet K1500 [4WD Models](Fit 7200lb GVW Only)1992-1999 Chevrolet K1500 Suburban [Engine:5.7L V8 Only]1988-2000 Chevrolet K2500 [Fit 7200lb GVW Only]1995-1999 Chevrolet Tahoe [4WD Models]2000-2000 Chevrolet Tahoe [4WD Models,Engine:5.7L V8 Only]1988-1999 GMC K1500 [4WD Models](Fit 7200lb GVW Only)1992-1999 GMC K1500 Suburban [Engine:5.7L V8 Only]1988-2000 GMC K2500 [Fit 7200lb GVW Only]1990-2005 GMC Safari [AWD Models]1992-1999 GMC Yukon [4WD Models]2000-2000 GMC Yukon [4WD Models,Engine:5.7L V8 Only] Included:(1) Kryptonite Upper Control Arm Pair(4) Control arm sleeves(8) Control arm Bushings(2) Kryptonite Bolt on Upper Ball Joints(1) Hardware package Note:Your Kryptonite products must be purchased from an authorized dealer, and must complete warranty registration within 90 days of purchase(Kryptonite No Fine Print Lifetime warranty)-Kryptonite steering and suspension components are warrantied for life to their original purchaser. This warranty is against any manufacturer defects, premature wear or breakage. Race it, jump it, off road it, wreck it, lift it, I think you get it? We don't care. If you can break it we will replace it