BD Diesel 1050651 R900 12mm Stroker CP3 Injection Pump - Chevy 2001-2010 6.6L Duramax

Engineered with modified plungers and stroke to produce up to 5.25 LPM versus the stock 3.05LPM. All that fuel without going to a dual pump system, just bolt in place with no extra pulleys, belts or pumps to install. Upgraded shaft material and heat treating process yields a stronger more durable shaft, with 9x greater fracture toughness! Long-term durability with consistent on-demand high fuel pressure supply that provides efficient atomization resulting in more power, better combustion and lower EGT's.