Collection: 2001-2004 6.6L LB7 Duramax Engine & Performance
Top shelf American made products that take your ride to the next level!
“Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction and skillful execution; it represents the wise choice of many alternatives.” - William A. Foster
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Kingspeed Budget Builder AN Wrench Set
Regular price From $99.99 USDSale price From $99.99 USD Regular priceUnit price per$120.00 USDSale -
TapShifter Chevy Duramax Allison 2001-2002
Regular price $482.95 USDSale price $482.95 USD Regular priceUnit price per -
Throttle Sensitivity Booster Chevy/GMC Duramax 2001-2005 (Check application listings)
Regular price $289.95 USDSale price $289.95 USD Regular priceUnit price per -
Fleece Performance FPE-TAPSHIFTER12 2001-2002 GM/Allison TapShifter
Regular price $399.00 USDSale price $399.00 USD Regular priceUnit price per -
PPE Digital to Analog V8 Tachometer Driver
Regular price $179.99 USDSale price $179.99 USD Regular priceUnit price per$199.99 USDSale -
XWS-3002XL Extended Length Extreme Water Separator FASS
Regular price $34.72 USDSale price $34.72 USD Regular priceUnit price per -
Fleece Performance Universal Turbo Drain Nipple with Integrated O-Ring Seal 7/8 Inch Hose FPE-34131
Regular price $24.00 USDSale price $24.00 USD Regular priceUnit price per -
Fleece Performance Turbo Compressor Discharge Adapter Kit FPE-S4TCDA-KIT
Regular price $60.00 USDSale price $60.00 USD Regular priceUnit price per -
Fleece Performance Straight Cut Stack Cover 8 inch FPE-STK-CVR-8-S
Regular price $50.39 USDSale price $50.39 USD Regular priceUnit price per -
Fleece Performance Straight Cut Stack Cover 7 inch FPE-STK-CVR-7-S
Regular price $48.29 USDSale price $48.29 USD Regular priceUnit price per -
Fleece Performance Straight Cut Stack Cover 6 inch FPE-STK-CVR-6-S
Regular price $44.99 USDSale price $44.99 USD Regular priceUnit price per -
Fleece Performance Multiuse Pressure Sensor 36 Inch Pigtail FPE-HAR-MU-PT-6
Regular price $24.99 USDSale price $24.99 USD Regular priceUnit price per -
Fleece Performance Multi-Use Sensor Pigtail - No 8 FPE-HAR-MU-PT-8
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price per -
Fleece Performance Molded Rubber Universal Elbow for 5 Inch Intakes FPE-UNV-INTAKE-RUBBER-5
Regular price $84.99 USDSale price $84.99 USD Regular priceUnit price per -
Fleece Performance Molded Plastic Universal 5 Inch Intake Manifold Elbow with Sensor Mounting Provisions FPE-UNV-INTAKE-SENS-5
Regular price $84.99 USDSale price $84.99 USD Regular priceUnit price per -
Fleece Performance Molded Plastic Universal 5 Inch Intake Manifold Elbow FPE-UNV-INTAKE-5
Regular price $93.99 USDSale price $93.99 USD Regular priceUnit price per -
Fleece Performance M22x1.5 to -10AN Male/Male Aluminum FPE-34578-A
Regular price $13.99 USDSale price $13.99 USD Regular priceUnit price per -
FASS XWS5000 1-12 Inch Transfer Tank Filter
Regular price $29.00 USDSale price $29.00 USD Regular priceUnit price per -
FASS XWS1002 Extreme Water Separator
Regular price $40.85 USDSale price $40.85 USD Regular priceUnit price per -
FASS Fuel Systems WH-1006-3R Fuel System Wiring Harnesses
Regular price $111.32 USDSale price $111.32 USD Regular priceUnit price per -
FASS Fuel Systems FPR2001 High Flow Adjustable Fuel Pressure Regulator
Regular price $299.25 USDSale price $299.25 USD Regular priceUnit price per -
FASS Fuel Systems Filter Pack XL
Regular price $60.25 USDSale price $60.25 USD Regular priceUnit price per -
FASS Fuel Systems Drop-In Series, Electric Heater Element (DIFS32283R)
Regular price $127.66 USDSale price $127.66 USD Regular priceUnit price per -
FASS Fuel Systems Drop-In Series Heater Probe Adapter Bushing (HB-2001)
Regular price $12.00 USDSale price $12.00 USD Regular priceUnit price per -
FASS Fuel Systems COMP540G Competition Series 540GPH (70 PSI MAX)
Regular price $1,349.00 USDSale price $1,349.00 USD Regular priceUnit price per -
FASS Fuel Systems COMP360G Competition Series 360GPH (100 PSI MAX)
Regular price $1,279.00 USDSale price $1,279.00 USD Regular priceUnit price per -
FASS Fuel Systems COMP330G Competition Series 330GPH (30 PSI MAX)
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price per -
FASS CBK1001 Universal Heavy Duty Pickup Frame Clamp Bracket
Regular price $76.59 USDSale price $76.59 USD Regular priceUnit price per
