JetStream Bar Size:LG (70") The RLKS1 spacer blocks are

The RLKS1 spacer blocks are used to level a 3 bar roof rack system on a vehicle such as a pickup that may have rear posts or a cap/topper rack system

add the height of the Slimline II Tray (50mm/ 2") to the height of the Foot or Grab-on Foot listed above

Connects to the EXO SwingBase or EXO TopShelf in seconds using the included EXO cleat system​

15x100mm axle

JetStream Bar Size:LG (70") The RLKS1 spacer blocks areThoroughly wind tunnel tested, the JetStream's JetFlow design is exceptionally aerodynamic, incredibly strong, lightweight, and remarkably quiet on the move. This modern rack system is built to carry a lot while looking great on your vehicle. This streamlined design not only enhances the performance of your roof rack system but also elevates the overall look of your vehicle. Whether you're heading out for a weekend adventure or just need extra storage