Kent-Moore Tools
Kent-Moore J-44646 On-Car Valve Spring Compressor
For Isuzu. 2001- Later GMT800, 2500HD, 3500 with 6.6 liter Duramax diesel engine The area around each valve spring is very restricted due to the placement of the injectors. Conventional valve spring compressor tools will not work without timely removal of the injectors. J-44646 screws into the camshaft cap mounting holes. Attach a ratchet to the handle assembly and apply downward force to compress the spring.
