40mm Boss Intake tube
Boss intake tube;
40mm stud hole spacing; Center line hole to center line hole,.
If you have an older style engine with 30mm stud hole spacing this 40mm intake will not fit so measure twice and saw once.!
Boss bump on tube is drilled and taped for Nitrous Oxide plumbing or for Bottle Boost.
Boss hole thread size is G1/8
These are the last Boss Tubes in captivity as the cast mold is broken. No plans to make any more. Get one while they last.