Can you please give me the dimensions between centers of gas tube And a end dimensions to the end of the gas tube

From the end of the bracket to the first channel is 4 7/8" - channel is 2 7/8" - next space is 2 1/4" - second channel is 2 7/8" - next space is 2 1/4" - middle channel is 5 2/4". If that does not answer your question, please give us a call. 678-272-2451