Optimize airflow and fuel delivery for your 2004.5–2005 LLY Duramax with upgraded intercooler piping, turbo kits, and performance injectors. This section focuses on improving turbo spool and reducing EGTs while maintaining compatibility with stock turbochargers and factory engine management. Includes LLY-specific head studs and fuel system parts for daily driving or towing builds.
Injector Line Set For 04.5-05 GM 6.6L Duramax LLYÂ
Our LLY Injector Line Set covers the complete engine of your 2004.5-2005 GM 6.6L Duramax LLY engine. We highly recommended that you change your...
VANE POSITION SENSOR KTI(2004.5-2005 REQUIRES ADAPTER*Â due to a GM design change, 2004.5 - 2005 LLY models will require a wire harness adapter to plug this sensor into your original harness. The...
EXTRA CAPACITY ENGINE OIL PAN UPGRADE
2001-2010 GM 2500HD/3500HD 6.6L DURAMAXÂ
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FEATURES:
Cast Aluminum Construction
Finned bottom for extra cooling
Includes Stainless Steel Installation...
SWAG Performance Heavy Duty Head Stud Kit
Fits 01-16 GM 6.6Â Duramax Diesel Engines
Tested at 220,000+ PSI Tensile Strength
Our Head Stud material properties allow for far grea
Longhorn Fab Stainless Steel Braided Boost Gauge Line Universal - 5' Long - 1/8" Npt 200919
The Longhorn Fab 200919 Stainless Steel Braided Boost Gauge Line gets rid of the cheap, flimsy, and...
Longhorn Fab Knurled Efi Live Dsp5 Custom Switch Knob Fits Most Dsp5 Switches-Green 200956-GREENThe Longhorn Fab Shop 200956 Knurled EFI Live DSP5 Custom Switch Knob makes your truck stand out. Get...
Longhorn Fab Knurled EFI Live Dsp5 Custom Switch Knob Fits Most Dsp5 Switches Black 200956-BLACKThe Longhorn Fab Shop 200956 Knurled EFI Live DSP5 Custom Switch Knob makes your truck stand out. Get...
Longhorn Fab Dsp5 & Csp5 Universal Switch Mount - For Dsp5 & Csp5 Switches 201051Mount your DSP5 or CSP5 switch in your truck without having to drill permanent holes through your dashboard with the...
Longhorn Fab Do Not Reflash Obdii Port Cover Fits Most Obdii Ports 200922
The Longhorn Fab Shop 200922 Do Not Reflash OBDII Port Cover is a must have for anyone that has tuning in their truck. Make...
Fleece 5 Inch 45 Degree Hood Stack Cover FPE-HSC-5-45 5 inch and 6 inch Straight and Miter Cut Fleece Performance Hood Stack covers are made from heavy duty vinyl and come complete with a properly...