lly/lb7 duramax y bridge flanges

these are weldable flanges for the lly and ;b7 Duramax to be able to build your own y bridge or intake piping these utilize the stock o ring for easy replacement along with being flow matched from the 3 inch tube inlet to the stock Duramax opening. these are just the flanges and will require welding they are made out of high grade cold role steel.