Oil System Improvement Parts - LS 4.0 Barbell/Oil Diverter & Bypass Delete 92 93 94 Corvette power shifting

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It has a replaceable High Temperature Viton O ring and for ease of service a threaded 1/4-20 hole for easy removal

If anything ever did get by it would be so small it could easily bypass your oil filter

Oil System Improvement Parts - LS 4.0 Barbell/Oil Diverter & Bypass Delete 92 93 94 Corvette power shiftingLS 4. 0 Barbell Oil Diverter & Bypass Delete The oil galley oil diverter Barbell in your Gen III & IV LS based engine is something that is overlooked. And yet it serves a very important mission of directing oil to the oil filter. If oil leaks past the Barbell, it will go unfiltered directly to the Cam Bearing, Lifters, Crank and Rod Bearings. The factory Barbell is approximately . 020 smaller than the oil gallery, so particles as big as 250 microns