Fits 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor 61.7" bed or 74.0" bed; Fleetside; 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor Crew Cab Pickup; LT Model or WT Model or Z71 Model; 74.0" bed; Fleetside; 140.5" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,PO
2018
Fits 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor 61.7" bed or 74.0" bed; Fleetside; 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor Crew Cab Pickup; LT Model or WT Model or Z71 Model; 74.0" bed; Fleetside; 140.5" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,PO
2019
Fits 61.7" bed or 74.0" bed; Fleetside; 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor Crew Cab Pickup; LT Model or WT Model or Z71 Model; 74.0" bed; Fleetside; 140.5" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,PO
2020
Fits 61.7" bed or 74.0" bed; Fleetside; 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor Crew Cab Pickup; LT Model or WT Model or Z71 Model; 74.0" bed; Fleetside; 140.5" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,PO
Fits 61.7" bed or 74.0" bed; Fleetside; 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor Crew Cab Pickup; 74.0" bed; Fleetside; 140.5" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,PO
2018
Fits Denali; 61.7" bed; 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor Base Model or SLE Model or SLT Model; 61.7" bed or 74.0" bed; Fleetside; 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor Crew Cab Pickup; Base Model or Denali or SLE Model or SLT Model; 74.0" bed; Fleetside; 140.5" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,PO
2019
Fits 61.7" bed or 74.0" bed; Fleetside; 128.3" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,POor Crew Cab Pickup; 74.0" bed; Fleetside; 140.5" Wheelbase; Hex Flanged Head M8X1.25X75,33.2 THD,18 OD,9.8,PO