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Use this when you are plugging in your valve face depth and piston protrusion to help you find your clearance
The small hole acts as an orifice snubber
Stock Injector Orifice:
these coils will deliver an immediately noticeable improvement in ride quality
Sinister Diesel Coolant Reservoir Degas Bottle 13-15 6.6L GM Duramax LML PPE-128021000 Use this when you areThe factory plastic degas bottle is molded from two pieces and history has shown that leaks can develop at this seam. By upgrading with this direct replacement unit built from 6061 aluminum, you'll not only gain a great new underhood appearance, but also insurance against coolant leaks. Sinister Diesel's Degas (Coolant Overflow) Bottle is made from 6061 aircraft grade aluminum which is TIG welded and pressure tested for maximum strength. This
