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5x thicker than OEM for reduced flex and have larger inner ball joints for reduced wear
increase flow properties
position-sensitive compression
Tack on larger wheels and tires and it becomes woefully obvious how poor the factory ball joints perform
Sinister Diesel Billet Fuel Cap 99-07 / 20-23 Ford Powerstroke | 12-17 GM Duramax DC-89657 5x thicker than OEM forNo, it won't add 20 horsepower or make your engine last any longer, but it sure looks a heck of a lot better than that ugly stock plastic fuel cap! The Sinister Diesel Billet Fuel Cap is a stylish and durable option to keep dirt and moisture from entering your fuel tank. The factory uses a small, flimsy plastic plug and the Sinister Diesel Fuel Plug is CNC Machined from solid billet aluminum and utilized a tight O ring seal. It's laser etched with the
