Belltech UPPER SHOCK RELOCATOR CHEVY 88-98 C-1500 6658 AWE Tuning or sealing hardware

or sealing hardware

and the new HKS M50HL is the same as NGK 10

Do these mount using factory attachment points or do I need to drill

Drop-in fit for your header installation without modification

Belltech UPPER SHOCK RELOCATOR CHEVY 88-98 C-1500 6658 AWE Tuning or sealing hardwareBelltech Shock Mounts & Camber Plates 6658 Upper Shock Mount 88 98 Chevrolet Silverado Sierra 1 2 Ton Upper Shock Mount Belltech UPPER SHOCK RELOCATOR CHEVY 88 98 C 1500 Vehicle Fitments: Year Make Model Submodel 1990 1993 Chevrolet C1500 454 SS 1989 1997 Chevrolet C1500 Base 1988 1992 Chevrolet C1500 Scottsdale 1988 1998 Chevrolet C1500 Silverado, Cheyenne 1990 1998 Chevrolet C1500 WT 1997 GMC C1500 Sierra GT 1988 1998 GMC C1500 Sierra SLE 1994 1998