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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Fleece Performance '-6 to 9/16 inch-18 Straight Male Black Fleece Performance w/ O-Ring FPE-APT-916-06
Regular price $10.99 USDSale price $10.99 USD Regular priceUnit price per -
Fleece Performance '-6 AN Straight to Hose Barb FPE-PL-00-06
Regular price $6.99 USDSale price $6.99 USD Regular priceUnit price per -
Fleece Performance '-6 90 Deg to Hose Barb Black FPE-PL-90-06
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price per -
Fleece Performance FPE-PL-45-06 6AN 45-Degree to Hose Barb – Black
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price per -
Fleece Performance FPE-AN971-10DRD 10AN Aluminum Male Weld Bung – 5/8" Register, 7/8" OD
Regular price $8.35 USDSale price $8.35 USD Regular priceUnit price per -
Fleece Performance FPE-34805-A 10 AN to 7/8-14 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price per -
Fleece Performance FPE-34873-A 8 AN to 3/4-16 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price per -
Fleece Performance Multiuse Sensor 6 Inch Pigtail FPE-HAR-MU-PT-5
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price per -
FASS XWS3002XL Extended Length Extreme Water Separator
Regular price $32.30 USDSale price $32.30 USD Regular priceUnit price per -
FASS Titanium/Titanium Signature Series Dual Electric Heater Kit Splitter
Regular price $37.05 USDSale price $37.05 USD Regular priceUnit price per -
FASS TITANIUM SERIES OPTIONAL ELECTRIC DIESEL FUEL HEATER KIT
Regular price $160.55 USDSale price $160.55 USD Regular priceUnit price per -
FASS STK5500BO Diesel No Drop Fuel Sump Kit (Bowl Only)
Regular price $159.00 USDSale price $159.00 USD Regular priceUnit price per -
FASS STK5500BDiesel Fuel Sump Kit With Suction Tube Upgrade Kit
Regular price $199.00 USDSale price $199.00 USD Regular priceUnit price per -
FASS STK5500 Diesel Fuel Sump Kit With FASS Bulkhead Suction Tube Kit
Regular price $249.00 USDSale price $249.00 USD Regular priceUnit price per -
FASS STK1003 Diesel Fuel 5/8 In Fuel Module Suction Tube Kit Includes Bulkhead Fitting
Regular price $94.05 USDSale price $94.05 USD Regular priceUnit price per -
FASS DMAX7001 Duramax Diesel Fuel System Flow Enhancer GM Duramax 6.6L 2001-2010
Regular price $426.55 USDSale price $426.55 USD Regular priceUnit price per -
FASS Diesel Fuel 5/8 Suction Tube Upgrade Kit
Regular price $71.25 USDSale price $71.25 USD Regular priceUnit price per -
FASS Diesel Fuel 5/8 Suction Tube Kit With Bulkhead Fitting
Regular price $84.55 USDSale price $84.55 USD Regular priceUnit price per -
Fleece Performance Duramax Turbo Thermostat Delete Plug FPE-TURBO-THERM
Regular price $39.85 USDSale price $39.85 USD Regular priceUnit price per -
Gator Fasteners 2001-24 Chevy/GMC 6.6L Duramax Gator Heavy Duty Harmonic Damper Bolt HDB66
Regular price $29.69 USDSale price $29.69 USD Regular priceUnit price per$41.99 USDSale -
Gator Fasteners 2001-10 Chevy/GMC 6.6L Duramax Gator Heavy Duty Rod Bolt Kit RBK66
Regular price $207.89 USDSale price $207.89 USD Regular priceUnit price per$262.49 USDSale -
Fleece Performance 18 Inch Rail Pressure Sensor Extension Harness FPE-HAR-RP-EXT
Regular price $43.04 USDSale price $43.04 USD Regular priceUnit price per -
Fleece Performance Universal 45 Degreeree Turbo Drain Nipple with O-ring FPE-78HS-45-TDA
Regular price $34.99 USDSale price $34.99 USD Regular priceUnit price per -
Fleece Performance Turbo Drain Adapter FPE-78-14-TDA
Regular price $12.95 USDSale price $12.95 USD Regular priceUnit price per -
S&B Filters INTAKE REPLACEMENT FILTER KF-1008
Regular price $69.00 USDSale price $69.00 USD Regular priceUnit price per -
Fleece Performance Remote Turbo Oil Feed Line Kit for 2001-2016 Duramax with 1/4 NPT Turbo Oil Inlet (s300/s400) 2001-2016 GM 2500/3500 FPE-DTFL-S3S4-0116
Regular price $99.00 USDSale price $99.00 USD Regular priceUnit price per -
Fleece Performance LB7 High Pressure Injection Line for 01-04 Duramax LB& (4 and 5) Fleece FPE-FL-LB7-45
Regular price $68.99 USDSale price $68.99 USD Regular priceUnit price per -
Fleece Performance LB7 High Pressure Injection Line (3 and 6) For 01-04 Duramax LB7 Fleece FPE-FL-LB7-36
Regular price $68.99 USDSale price $68.99 USD Regular priceUnit price per
