Fits: 2001 Thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM Duramax Diesel

This Brand New LBZ based S&S 12mm Stroker Pump(46% over stock displacement) is the best option for any customer needing to get more power and flow out of a single CP3 set up. The 12mm Stroker Pump will out perform and outlast any other pump on the market. They are set up to support over 1000hp with 1 single CP3. The 12mm pump is modified to eliminate the fuel flow restrictions that begin at 3000 RPM on stock CP3's. This pump can also be used in a LML CP3 conversion(tuning may be required).

Notes: 

• Brand New Pump (No Core Needed)
• Tuning is REQUIRED if installing on 2001-2005 LB7 and LLY engines
• THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.