Fleece Spring and Retainer Set (FPE-34797) for 1998.5-2018 Cummins 5.9L / 6.7L - Image 1

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Fleece Spring and Retainer Set (FPE-34797) for 1998.5-2018 Cummins 5.9L / 6.7L

Name: Fleece Spring and Retainer Set (FPE-34797) for 1998.5-2018 Cummins 5.9L / 6.7L
Brand: Fleece Performance Engineering
SKU: FPE-34797
Availability: InStock

$524.98Purchase & earn 524 points!

The Fleece Spring and Retainer Set (FPE-34797) is a high-performance upgrade for 1998.5–2018 Cummins 5.9L and 6.7L diesel engines. It includes heavy-duty valve springs and steel retainers designed to handle higher boost and RPMs, preventing valve float and improving valvetrain stability. Ideal for performance and towing, this direct-fit kit enhances engine durability and response, making it a popular choice among Cummins owners.

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SKU: FPE-34797 Categories: Engine Upgrades, Engine Upgrades, Engine Upgrades, Engine Upgrades, Engine Upgrades, Engine Upgrades, All Products, Cummins, Cummins: 1998.5-2002 (5.9L), Cummins: 2003-2004 (5.9L), Cummins: 2004.5-2007 (5.9L), Cummins: 2007.5-2009 (6.7L), Cummins: 2010-2012 (6.7L), Cummins: 2013-2018 (6.7L)

Description

The Fleece Spring and Retainer Set (FPE-34797) is a high-performance upgrade designed for 1998.5 to 2018 Cummins 5.9L and 6.7L diesel engines. Engineered to handle increased boost levels and higher RPMs, this set includes heavy-duty valve springs and precision-machined steel retainers that help prevent valve float and maintain valvetrain stability under demanding conditions. Ideal for performance builds and towing applications, the Fleece Performance Engineering kit ensures reliable operation and improved engine response. Its direct-fit design allows for straightforward installation, making it a popular choice among Cummins enthusiasts looking to enhance durability and performance.

Additional information

Weight	3 lbs
Dimensions	8 × 5 × 3 in

Fitment

1998.5 Dodge Ram 2500/3500 5.9L VP 24V Cummins
1999 Dodge Ram 2500/3500 5.9L VP 24V Cummins
2000 Dodge Ram 2500/3500 5.9L VP 24V Cummins
2001 Dodge Ram 2500/3500 5.9L VP 24V Cummins
2002 Dodge Ram 2500/3500 5.9L VP 24V Cummins
2003 Dodge Ram 2500/3500 5.9L 24V Cummins
2004 Dodge Ram 2500/3500 5.9L 24V Cummins
2005 Dodge Ram 2500/3500 5.9L 24V Cummins
2006 Dodge Ram 2500/3500 5.9L 24V Cummins
2007 Dodge Ram 2500/3500 5.9L 24V Cummins
2007.5 Dodge Ram 2500/3500 6.7L 24V Cummins
2008 Dodge Ram 2500/3500 6.7L 24V Cummins
2009 Dodge Ram 2500/3500 6.7L 24V Cummins
2010 Ram 2500/3500 6.7L 24V Cummins
2011 Ram 2500/3500 6.7L 24V Cummins
2012 Ram 2500/3500 6.7L 24V Cummins
2013 Ram 2500/3500 6.7L 24V Cummins
2014 Ram 2500/3500 6.7L 24V Cummins
2015 Ram 2500/3500 6.7L 24V Cummins
2016 Ram 2500/3500 6.7L 24V Cummins
2017 Ram 2500/3500 6.7L 24V Cummins
2018 Ram 2500/3500 6.7L 24V Cummins

Installation

1 Year Limited Parts Warranty

Warning

Fitment: For MY1998.5 – 2018 engines only

Does not include retainer locks

About brand

Fleece Performance Engineering is a diesel performance manufacturer focused on reliability and precision engineering. The company designs parts that solve common diesel issues while supporting added power. Fleece products support daily driving, towing, and performance diesel trucks. Fleece engineers fuel system components, turbochargers, electronics, and emissions-compliant upgrades in house. Their parts improve efficiency, drivability, and long-term engine protection. Each product is tested for proper fit and consistent performance. Diesel owners trust Fleece for dependable upgrades. Whether maintaining a work truck or building for performance, Fleece delivers proven solutions designed for real-world use.

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