CB Engineering 2005 2006 Jeep Liberty 2.8l CRD Turbo Diesel Exhaust EGR block off port fitting for the R428 engine. The 2.8L CRD Exhaust EGR block off port are machined from 304 Stainless Steel. This machined fitting allows you to block off the EGR flow from the exhaust manifold. This kit is designed for Jeep Liberty 2005, 2006 vehicles running the R428 engine. This is usually an in stock item, but can lead time on this item can be up to 2 weeks. All sales are final.