Oil System Improvement Parts- LS 4.0 Barbell and Pickup Tube Hold Down corvette turn signal The H2/H3 allows you to

The H2/H3 allows you to command your radiator's right side high-speed fan to come on with the flick of a switch

The Coolit also allows you to keep the fan on above 35 MPH when the computer normally turns the fans off at that speed

Features O-ring technology and identical specs to our standard PVC tools

Install one of our Bypass Deletes the next time you change your oil filter for better engine protection from less particles bypassing

PVC LS Rear Main & Timing cover Tools

Oil System Improvement Parts- LS 4.0 Barbell and Pickup Tube Hold Down corvette turn signal The H2/H3 allows you toLS 4. 0 Barbell Oil Diverter 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 can leak past the