RCV PERFORMANCE 1988-2018 CHEV SILVERADO 1500 ULTIMATE IFS CV AXLE SET 6-LUG - *GM 1500 TRUCKS ('88-'18) (SILVERADO, YUKON, TAHOE, SUBURBAN, AVALANCHE, CHEYENNE, ESCALADE) (6 LUG WHEEL MODELS ONLY)RCV ULTIMATE BELLOWED BOOT IFS CV AXLES FOR INDEPENDENT FRONT SUSPENSION ARE DESIGNED TO OVERCOME THE LIMITATIONS OF GM 1500 TRUCK IFS AXLE SHAFTS. ULTIMATE IFS CV AXLES PROVIDE INCREASED RANGE OF ARTICULATION FOR VEHICLES MODIFIED WITH A LIFT KIT OR LONG-TRAVEL SUSPENSION, AND PROVIDE STRENGTH THAT ORIGINAL EQUIPMENT AXLE SHAFTS JUST CAN'T MATCH. EVEN IF YOU HAVE BIG TIRES AND BIG POWER THERE ARE NO WORRIES.