• Precision machined billet aluminium - NOT PLASTIC
• Prevents unfiltered from entering the bearings/lifters etc. by blocking off the oil bypass check valve
• High flow design
• High temp Viton O-ring
• 1/4"-20 threaded hole to allow for easy removal
• Suits GM LS1 LS2 LS3 LS6 LSX

Note: This kit is only suited to engines where the bypass valve is located in the filter adaptor housing, NOT in the oil pan.