For Trucks with Utility Rail:

Part List

Item	Quantity	Description
①	×1	Seal Strip
②	×1	Replacement Clamp
③	×4	Mounting Block
④	×1	Allen Wrench

⚠️ Warning:

Tonneau cover must be completely secured in the closed position or opened position while driving. DO NOT DRIVE with cover in partially opened position.
Clean the debris before folding the tonneau cover.
Professional installation would be highly recommended.
Period check to ensure all clamps remain secure and tight.
Remove the tonneau cover before towing the truck from rear.
Do not drive without safety clamps.
Must secure all clamps, especially the SAFETY CLAMPS for fastening and safety purposes. Any damages, losses, or injuries resulting from the non-use or misuse of clamps will not be covered by us.

Step 1:

Clean the bulkhead and bedrail before installation.
Stick the seal strip onto the bulkhead.

Diagram showing seal strip application on a truck bulkhead.

Step 2:

For Toyota and Nissan trucks, insert the mounting blocks from the rear end of the utility rail, 2 blocks each side.
For Jeep trucks, insert the mounting blocks from the front end of the utility rail, 2 blocks each side.

Diagram for Toyota/Jeep mounting blocks.

For Toyota/Jeep

Diagram for Nissan Titan mounting blocks.

For Nissan Titan

Diagram for Nissan Frontier mounting blocks.

For Nissan Frontier

Step 3:

Place cover assembly on front truck bed rail against the cab.
Release safety buckles.

Diagram showing cover placement on the front truck bed rail and release of safety buckles.

Step 4:

Fully unfold the cover towards rear. Ensure the cover aligns on truck bed.
Carefully refold the cover without moving position on the truck bed.

Diagram illustrating unfolding and refolding the tonneau cover.

Step 5: Secure the front clamps.

Slide the front clamp to proper slot.
Slide the mounting block to proper position.
Pull down the front clamp to vertical position.
Hook the J-shaped clamp under the mounting block and tighten the knob.
Tighten set screw on mounting block.

Diagram showing clamp and mounting block connection.

Diagram showing tightening the knob.

Step 6:

Loosen the safety clamp and attach to the mounting block.
Hand tighten the knob clockwise. DO NOT use wrench or overtighten.
Adjust the strap to proper length, and pull the other end of the strap to tight.

Diagram showing clamp attachment to mounting block.

Utility Rail

Clamp

Mounting Block

Diagram showing hand tightening the knob.

The clamps may not precisely vertical.

Step 7:

Carefully unfold the cover and secure the rear clamps.

Slide the front clamp to proper slot.
Slide the mounting block to proper position.
Pull down the rear clamp to vertical position.
Tighten set screw on mounting block.
Hook the J-shaped clamp under the mounting block and push the clamp handle to vertical position with a click sound.

Diagram showing clamp and mounting block connection.

Diagram showing clamp handle movement.

The clamps may not precisely vertical.

Step 8:

Close the tailgate. Installation completed.

Diagram showing the tailgate being closed, completing the installation.

Fold up the Cover:

Open the tailgate.
Release and fold up the rear clamps.
Fold up the cover towards front.
Secure the safety buckles.

Diagram showing the cover being folded up and secured.

If the Utility Rails Removed:

Slide front clamp to proper slot.
Pull down the front clamp to vertical position.
Hook the front clamp under the metal bed rail lip and tighten the knob.
Hook the rear clamp under the metal bed rail lip and push the clamp handle to vertical position.
Secure the safety clamp onto the metal bed rail lip.

Cutting the bedliner is necessary. The clamps may not precisely vertical.

Diagram showing clamp hooked under bed rail lip.

✔️

Diagram showing clamp not precisely vertical.

❌

Diagram showing bed rail lip, knob, and clamp.

Bed Rail Lip

Knob