Ride/Trim Height Specifications
Trim Height SpecificationsBase, F45, Z51 Z Height
Service Preferred 44 mm (1.73 inch)
Service Allowable 50.4 mm (1.99 inch) to 37.6 mm (1.48 inch)
Base, F45, Z51 D Height (Curb)
Service Preferred 108 mm (4.25 inch)
Service Allowable 114.4 mm (4.50 inch) to 101.6 mm (4.0 inch)
Base, F45, Z51 J Height (Curb)
Service Preferred 152 mm (5.98 inch)
Service Allowable 152 mm (5.98 inch)
Base, F45, Z51 K Height (Curb)
Service Preferred 157 mm (6.18 inch)
Service Allowable 157 mm (6.18 inch)
Rear Spring Stud Heights:
Right 22 mm-46 mm (0.866 inch - 1.811 inch)
Left 22 mm-46 mm (0.866 inch - 1.811 inch)
Maximum Difference Between The
Right And Left Rear Spring Stud Heights 5 mm (0.196 inch)