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CL6298 (G-99) CAP/ALUMINUM (GLADIATOR)


The GCI G-99 truck cap/lid clamp is a 3 1/32" aluminum cam lid mounting clamp that comes assembled with a silver finish and mounts fiberglass or aluminum truck caps or tonneau covers.

GCI Mounting Clamp G-99 is used in most cases for Jeep Gladiator caps.

  • This style of clamp installs easily. Usually, can be installed without disassembling the clamp.
  • Do not overtighten your clamp. Maximum Torque not to exceed. 80-inch pounds of torque, 6.67-foot pounds of torque.
  • Recommended to tighten all clamps monthly, and that at least 4 clamps be utilized on short bed installations and at least 6 clamps be utilized on long bed installations.


Specifications from the figure above

A: (Clamping Range) 0 to 1” Jaw Opening

B: (Clamp Major Reach) 3 1/32"

C: (Clamp Minor Reach) 1 3/8”