Home > GM > GM DURAMAX LML 6.6L 2011-2016 > Fuel System & Related > High Pressure/Injection
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H&S 2011-2016 GM 6.6L Dual High Pressure Fuel Kit H&S 2011-2016 GM 6.6L Dual High Pressure Fuel Kit

H&S Motorsports is pleased to introduce the Dual High Pressure Fuel Kit for the 2011-2014 6.6L GM Duramax. This kit has been in development since June 2012 and is finally available to the public after over 11 months of testing and refinement. The diesel industry has been longing for this modification ever since the release of the LML/LGH platform and now the wait is over.

Our Price: $2,899.00
FLEECE FPE-LML-CP3-FF-10 LML CP3 CONVERSION WITH POWERFLO 750 PUMP FLEECE FPE-LML-CP3-FF-10 LML CP3 CONVERSION WITH POWERFLO 750 PUMP

The Fleece FPE-LML-CP3-FF-10 LML CP3 Conversion with PowerFlo 750 Pump for your 2011-2016 GM 6.6L Duramax is designed to convert your
stock CP4 to a CP3.

Our Price: $2,499.00
H&S MOTORSPORTS 131002 DUAL HIGH PRESSURE FUEL KIT W/O CP3 H&S MOTORSPORTS 131002 DUAL HIGH PRESSURE FUEL KIT W/O CP3

The H&S Motorsports 131002 Dual High Pressure Fuel Kit is the ultimate in high pressure fuel supply for your 2011-2016 GM 6.6L Duramax LML.

Our Price: $1,999.00
H&S MOTORSPORTS 131003 CP3 CONVERSION KIT H&S MOTORSPORTS 131003 CP3 CONVERSION KIT

The H&S Motorsports 131003 CP3 Conversion Kit replaces the commonly failed CP4 in your 2011-2016 GM 6.6L Duramax LML.

Our Price: $1,869.00
FLEECE FPE-LML-CP3-FF-3K LML CP3 CONVERSION KIT WITH CP3K PUMP FLEECE FPE-LML-CP3-FF-3K LML CP3 CONVERSION KIT WITH CP3K PUMP

The Fleece FPE-LML-CP3-FF-3K LML CP3 Conversion Kit with CP3K Pump for your 2011-2016 GM 6.6L Duramax is designed to convert your stock CP4 to a CP3.

Our Price: $1,783.00
DDP NCP4-421 NEW CP4 INJECTION PUMP DDP NCP4-421 NEW CP4 INJECTION PUMP

Replace the failed factory CP4 injection pump in your 2011-2016 GM 6.6L Duramax LML with a DDP NCP4-421 New CP4 Injection Pump.

Our Price: $1,211.25
FLEECE FPE-LML-CP3-FF-NP LML CP3 CONVERSION KIT FLEECE FPE-LML-CP3-FF-NP LML CP3 CONVERSION KIT

The Fleece FPE-LML-CP3-FF-NP LML CP3 Conversion Kit for your 2011-2016 GM 6.6L Duramax is designed to convert your stock CP4 to a CP3.

Our Price: $669.00
XDP RACE FUEL VALVE XD125 XDP RACE FUEL VALVE XD125

The XDP Race Fuel Valve XD125 prevents fuel from being returned to the tank when the pressure release valve is opened due to fuel rail pressure increases.

Our Price: $30.95
PPE RELEASE VALVE SHIM KIT 113072000 PPE RELEASE VALVE SHIM KIT 113072000

More fuel pressure equals more power and with the PPE Release Valve Shim Kit, you get both. The Release Valve Shim Kit increases the pressure needed to "pop off" the pressure relief valve (PRV). This means that the available fuel rail pressure remains high during full throttle driving and reduces the fuel flow through the fuel return system. The PPE Release Valve Shim Kit eliminates low fuel rail pressure DTC codes P1093 or P0087 (low fuel rail pressure during power enrichment) and is recommended for high performance and/or race applications.

Our Price: $8.99