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2005 Chevrolet 6.6L Duramax LLY
SKU #: FPE-61-10001-P-CL MPN #: FPE-61-10001-P-CL

Fleece Performance Freedom Series Cupless Passenger Cylinder Head 01-04 6.6L GM Duramax LB7

$1,099.00
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Description
In the process of rebuilding your tired Duramax? Give new life to your engine with a set of Freedom Series cylinder heads from Fleece Performance. Each cylinder head is manufactured in Fleece's state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, valve seals and cupless injector bores. The cupless design eliminates the chance of leaks forming at the injector cups that the factory design is known for. Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on the intake and exhaust ports. Now available with no core charge! 

In the process of rebuilding your tired Duramax? Give new life to your engine with a set of Freedom Series cylinder heads from Fleece Performance. Each cylinder head is manufactured in Fleece's state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, valve seals and cupless injector bores. The cupless design eliminates the chance of leaks forming at the injector cups that the factory design is known for. Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on the intake and exhaust ports. Now available with no core charge! 

No shipping to CA
FEATURES & BENEFITS:
  • New valve guides, new springs, and new valve seals
  • Pressure and leak tested
  • Precision ground stock valves with a 45 degree angle
  • Multi-angle valve job
  • Cupless Injector Bore - Save time and money with no more injector cups to install, leak, or worry about! 
WARRANTY:
  • 1 Year Limited Parts Warranty
About Fleece Performance Engineering
Browse Fleece Performance Engineering Parts Online by Make, Model, and Year.

Fleece Performance Engineering is a customer-centric diesel performance company that specializes in the development and manufacturing of innovative and extremely forward-thinking products to improve upon the performance and reliability of your Cummins, Duramax, or Powerstroke. Originally operating from a shop on their family farm, they have now grown to a full-scale operation that excels in air and fuel-related components for light-duty diesel. A continuous focus on product quality and the creation of new design principles before the competition is what keeps Fleece Performance growing by leaps and bounds year after year and at the forefront of the winners circle. Many know Fleece for its line of Cheetah Turbos, PowerFlo Lift Pumps, and 10mm Stroker Pumps, but it goes far beyond! From the simple, yet widely popular exhaust manifold stud kits that eliminate the troublesome factory manifold hardware to full-blown race engines via their Freedom Racing Engines division, they are truly a "one-stop shop!" And no, Fleece isn't "just" for the hot rod diesel market, they've got kits and components for every level of diesel truck owner.

TIMELINE OF FLEECE PERFORMANCE ENGINEERING:
  • 2008: Fleece Performance Engineering was established in North Salem, IN by Brayden and Chase Fleece. Both had a passion for continuously innovating and improving upon products already on the market. Brayden's 2004.5 LLY Duramax became the test bed to develop the TurboBrake and Duramax Cheetah, while Chase's 2002 Cummins was one of the first Cummins pickups to integrate an Allison Transmission.
  • 2012: Fleece Performance upgrades both facility and location by relocating to Nitro Alley in Brownsburg, IN situated among some of the top racing leaders in the world.
  • 2014: Fleece Performance acquires the area's premier engine machine shop, Freedom Racing Engines. The acquisition enables Fleece Performance to expand the engine development program and product offerings. Today, Fleece Performance and Freedom Racing Engines build some of the most competitive engines in the industry.
  • 2018: Fleece Performance breaks ground on a new 75,000 sq. ft. facililty in Pittsboro, IN.
  • 2019: Fleece Performance and Freedom Racing Engines relocates to its new facility in Pittsboro, IN. The all new headquarters provides additional space for product development, production and work areas, assembly and testing, a larger warehouse, as well as four engine dynamometers, and two-story office space.
  • 2020: Fleece Performance receives ISO9001:2015 Certification.
  • 2021: Fleece Performance Engineering was voted as one of the Best Places to Work in Indiana by the Indiana Chamber of Commerce.
  • 2022: Fleece Performance Engineering was voted again as one of the Best Places to Work in Indiana by the Indiana Chamber of Commerce.

As always, if you have any questions about which Fleece turbo, fuel, engine, or other product is right for you, do not hesitate to give us a call and we would be happy to assist.