Every new or remanufactured Goodwrench engine is made to the same exacting engineering standards that go into every new GM vehicle. They’re tested to make sure they’ll perform under the most demanding conditions and backed by a 36-month/100,000 mile transferable limited warranty. Only GM authorized replacement parts are used in every GM Goodwrench remanufactured engine. Design enhancements and product improvements are incorporated into every remanufactured engine. Plus, service is available at nearly 7,000 GM dealers across the United States and Canada.   New GM Goodwrench engines include:   Remanufactured engines include new: cylinder block head and valve train assembly camshaft lifters oil pump piston assemblies (connecting rods, pins and rings) timing components bearings seals all tin ware All components are new and meet GM OE specifications   oil pump pistons, pins and rings intake and exhaust valves flat lifters timing chain and sprocket set gaskets and seals design enhancements GM Parts Engine Components Every new GM Parts engine component is engineered to OEM standards-designed to fit and operate perfectly, right from the start. GM Goodwrench Gas Engines 2.2L GM Engines 2.3L GM Engines 2.4L GM Engines 2.5L GM Engines 2.7L GM Engines 2.8L GM Engines 3.1L GM Engines 3.3L GM Engines 3.4L GM Engines 3.5L GM Engines 3.8L GM Engines 4.0L GM Engines 4.2L GM Engines 4.3L GM Engines 4.6L GM Engines 4.7L GM Engines 4.8L GM Engines 5.0L GM Engines 5.3L GM Engines 5.7L GM Engines 6.0L GM Engines 6.5L GM Engines 7.0L GM Engines 7.4L GM Engines 8.1L GM Engines GM Goodwrench Diesel Engines GM Goodwrench Transmissions Click here for GM transmissions