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The Fleece Performance 10mm stroker CP3 for 2001–2013 GM 6.6L Duramax (LBZ/LMM) is a straightforward CP3 upgrade that removes the factory fuel flow restriction starting at 3,000 RPM and helps maintain fuel rail pressure across the rev range. Proven to support 750 RWHP with appropriate complementary modifications, each pump is tested on Fleece's engine simulator and pump test stand. Note: fuel pressure regulator scaling is required for 2001–2005 LB7 or LLY installs.
Fleece Performance 01-13 GM Duramax 6.6L Duramax PowerFlo 750 CP3 (LBZ/LMM Based)
