The OTC Injector Retaining Clip Replacer, No. 6708, is designed to remove and install the injector retaining clips without over-spreading to ensure proper retention of the injector to the rail and is similar to factory tool EN-51097. The injector retaining clip replacer works on a 2014-2015 Chevrolet Silverado and GMC Sierra V6 and V8 engines, 2015 Cheverolet Suburban and Tahoe, GMC Yukon XL, Cadillac Escalade and 2014 Chevrolet Corvette V8 engines.