BD Diesel Turbo Turnbuckle - 5/16NF Rod w/Pin 2001-2004 LB7 w/Aftermarket Turbo or WastegateCut from stainless steel to prevent corrosion and the swivel design avoids oil return drains and rubbing. The Turbo Waste Gate Turnbuckle is now attached to all BD performance turbos and waste gate kits, but, if you have an earlier BD kit or other aftermarket turbos, the Turnbuckle makes waste gate adjustments a dream. This Part Fits: Year Make Model Submodel 2001 2004 Chevrolet Silverado 2500 HD Base 2001 2004 Chevrolet Silverado 2500 HD LS 2001 2004