Product Code:SAE CPGM1 Title:J1349 Certified Power Engine Date for GM L76 as used in 2007 Full Size Trucks (Silverado, Sierra) Issuing Committee: Scope:This product includes information on the manufacturer, engine, application, testing location, certified maximum horsepower, certified maximum torque along with the certified curves of horsepower and torque over a wide range of engine RPM speeds.