LS Billet Oil Bypass Check Valve GM Gen III & IV Engines LS1-LS2-LS3-LS6-LS7-LS9-LQ4-LQ9-4.8L-5.3L-6.0L & more

NOTE: Make sure your Bypass valve is located in the filter adapter housing like in the picture BEFORE ORDERING! Some are located inside the oil pan, this product will not work if your is inside the oil pan.

To keep even more unfiltered oil from going through the system check out our Precision Billet Barbell Oil Diverter. Not only does it keep unfiltered oil out, it improves oil flow.