This product was designed so you can run any B6/B61 battery strap on the TLR 22 4.0. This is much better then the stock TLR mount and taping the battery in like most people have been doing. Taping your battery makes it easy to crack the case when needing to remove the battery from the car.

“Note that the battery strap in the pictures is just to show how they work. We have another version of this that will be coming with a strap.”

No holes are drill in the chassis only one hole is needed to be drill in each side rail.