NOW AVAILABLE! Fleece Performance intake horn and grid heater kit for the 6.7L Cummins!! From the #1 trusted name in diesel performance comes the most complete kit available to address the OEM grid heater nut nightmare. The direct replacement intake horn and high-flow intake plate increase overall engine airflow and replace the OEM style grid heater with a robust coil heating element. Protect your investment with confidence with the latest from Fleece Performance.
Features:
*Eliminates the risk of engine damage from the OE style grid heater nut failure.
*Improves throttle response and airflow with lower intake restriction.
*Allows for reuse of the OE high pressure fuel lines and direct replacement options – no proprietary fuel line problems to worry about.
*The most complete kit on the market - includes all necessary hardware and gaskets.
*High flow 700W coil heater along with a new high flex heater cable and new grounding cable.
*Factory appearance with the highest-level fit and finish.
*Precision machined, cast aluminum high flow intake horn and plate.
*1/8” NPT port for sensor installation.
*Optional, secondary heater for cold weather start-ability down to -35 degrees Celsius.
#fleeceperformance #dieselmechanic #cummins
NOW AVAILABLE!! Treat your diesel right with the ALL NEW Freedom Series Diesel Oils. Freedom Series emerged when Fleece Performance Engineering and AMSOIL INC. partnered to develop an advanced formulation for diesel pickup trucks.
The Freedom Series lineup includes 10W30, 5W40 and 15W40 100% Synthetic Diesel Oil; 15W50 100% Synthetic Racing Oil; and SAE 30 Break In Oil. Freedom Series Synthetic Diesel Oil provides excellent turbo cleanliness, superior soot control and outstanding wear protection. THE RESULT: Protection engineered to perform. #fleeceperformance #freedomracingengines #AMSOIL #TEAMAMSOIL
Now Available from Fleece Performance! The all-new Cheetah Turbocharger for the 2017-2023 6.6L L5P Duramax! #fleeceperformance #l5pduramax #cheetah #dieselmechanic
Now Available from Fleece Performance! The all-new Cheetah turbocharger for the 2017-2023 6.6L L5P Duramax!
Fleece Performance Cheetah turbochargers set the industry standard for power, quality, and reliability. Designed as a stock appearing, drop-in replacement turbocharger capable of much more! With our exclusive 63mm compressor wheel and Inconel turbine wheel technology, you’ll enjoy smooth throttle response, big top-end power, and that classic Cheetah sound!
#fleeceperformance #l5pduramax #dieselmechanic
From billet to boost — @FleecePerformance shows how diesel power is built.
Here’s a closer look at their manufacturing and assembly process from our shop visit.
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Only one more day left at PRI in Indiananpolis! If you are attending, stop by to check out the latest products to keep your diesel rig reliable!
#fleeceperformance #FreedomRacingEngines Concept Performance #PRI2025
BIG NEWS at PRI in Indianapolis yesterday! Fleece Performance and AMSOIL INC. announce a new partnership and line of co-branded lubricants to be released in the spring of 2026! The new Freedom Series line of diesel products will include 10W-30, 5W-40 and 15W-40 100% Synthetic Diesel Oil; 15W-50 100% Synthetic Racing Oil; and SAE 30 Break-In Oil. The new products are engineered by AMSOIL for maximum turbo cleanliness, superior soot control and outstanding wear protection, and will be available through the Fleece Performance Engineering wholesale and dealer channels, AMSOIL.com and the AMSOIL Dealer network.
#Fleeceperformance #Amsoil #TeamAmsoil #dieselmechanic #pri2025
6.0L PowerStroke Owners! Check out our newest HD cylinder heads during our only sale of the year going on now! #fleeceperformance #FreedomRacingEngines #dieselmechanic #powerstroke
L5P Duramax Owners! The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister filter provides for increased filter capacity and longer change intervals as well as expands your filter options. Our anodized billet aluminum fuel filter base has been designed to retain the proper fuel flow path across the PTC heating element to ensure maximum effectiveness in cold weather. The new filter base installs in the same location as the stock cartridge filter base and includes quick disconnect fittings for an OE quality fit and finish.
Kit features:
-Donaldson 4 micron fuel filter and water separator (Donaldson P/N P553203)
-Filter base with integral mounting
-Distribution filter block / filter coupler
-Quick disconnect fittings
-1/8" NPT port for fuel pressure monitoring
#fleeceperformance #l5pduramax #dieselmechanic
6.7L PowerStroke Owners! The plastic under hood fuel filters are prone to cracking and fuel leakage - eliminate the risk of a cracked filter with our drop in billet aluminum cap assembly. Our direct replacement filter assembly locks directly into the stock filter location and utilizes a replaceable spin-on Donaldson filter that is easily serviceable. The kit includes an extra Donaldson fuel filter, further extending the time before you need to purchase an additional filter!
Features
-Drop-in replacement for the factory under hood filter
-Heavy duty anodized billet aluminum cap
-Heavy duty anodized billet aluminum quick-disconnect fittings
-Steel adapter fitting for the filter
-Extra Donaldson P555095 filter included with the kit
#fleeceperformance #67powerstroke #dieselmechanic
