4 Bolt Exhaust Housing


New Member
Aug 2, 2003
I have a PT-72 4 bolt turbo it has a .96 AR housing on it now. I want to change to a smaller one to help spool up. What are my choices and where can I get one quick? The housing needs to be a 4 bolt flange on the header side and down pipe side also. Thanks
You can get them from any of the turbo suppliers. Common 4 bolt AR is the .81 it is available in tang. or on-center.