This special tool allows you to easily remove the harmonic balancer without tapping holes and without needing to disassemble the radiator. This application can be also used to access some parts of the engine and gives plenty of room in disassembling. This is applicable to GM 5.3L, 5.7L LS1, 6.0L LS2, 6.2L LS3, 7.0L Engines. Fits the Following: GM Applications: 5.3L, 5.7L LS 1, 6.0L LS 2, 6.2L LS 3, 7.0L 3.5L V6, 3.6L V6, 4.7L V8, 5.7L V8, 6.1L V8 Replacement part number: 25264 This is a compatible replacement part manufactured by AA Ignition. This harmonic balancer puller is NOT a genuine part. Vehicle models and part numbers are used in this listing only to identify the vehicles this harmonic balancer puller fits.