SKU: 11512102890

Industrial Injection Premium Stock Plus Cylinder Head With Fire Rings 24-Valve 98.5-02 Ram 5.9L Cummins

Sale price$1197.42 Regular price$1330.47
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

Industrial Injection Premium Stock Plus Cylinder Head With Fire Rings 24-Valve 98.5-02 Ram 5.9L CumminsLooking to get fire rings in your 24 Valve Cummins? Industrial Injection's Premium Stock Plus Cylinder Head With Fire Rings is a great way to get the fire rings seal that allows your engine to handle the higher pressures your combustion chamber can produce when you add higher performance injectors or fuel systems. No matter what you use your truck for, fire rings are a great way to add strength and longevity into your engine so you know it will last

Looking to get fire rings in your 24 Valve Cummins? Industrial Injection's Premium Stock Plus Cylinder Head With Fire Rings is a great way to get the fire rings seal that allows your engine to handle the higher pressures your combustion chamber can produce when you add higher performance injectors or fuel systems. No matter what you use your truck for, fire rings are a great way to add strength and longevity into your engine so you know it will last for 100k miles and beyond.

NOTE: Fire Ring Gasket sold separately. Installation of a fire ring gasket requires high yield head studs to ensure proper seat of the head to the cylinder block.

The Industrial Injection Premium Stock Plus Fire-Ring Cylinder Head is designed to provide increased durability, improved combustion sealing, and dependable performance for 5.9L 24-valve Cummins engines. Built for diesel enthusiasts who demand more strength than a factory head, this upgraded cylinder head is ideal for towing, daily driving, and moderate performance builds.

Featuring machined fire-ring grooves and upgraded internal components, this head helps your Cummins engine handle higher cylinder pressures while maintaining reliable operation. Each head is precision-machined and assembled by Industrial Injection, a trusted manufacturer of high-performance diesel engine components.

Fire-Ring Ready for Improved Combustion Sealing

This 5.9 Cummins 24-valve cylinder head includes radius-cut fire ring grooves designed to work with a fire-ring head gasket system. Fire rings provide a stronger combustion seal than standard gaskets alone, helping prevent head gasket failure in engines running higher boost levels or increased fueling.

By improving the seal between the cylinder head and engine block, this design helps support increased cylinder pressure and enhanced engine reliability.

Premium Components and Machining

  • Custom Performance Stainless Steel Nitride Coated Valves- Improved resistance to heat and wear in demanding diesel applications.
  • Premium Oversized High-Temperature Alloy Valve Seats- Higher press-in value for secure seating under extreme combustion temperatures.
  • Diamond Honed High-Strength Alloy Valve Guides- Precision machining ensures proper valve alignment and long service life.
  • Radius-Cut Fire Ring Grooves- Designed for fire-ring gasket setups to help contain high cylinder pressures.

These upgraded components help provide improved durability compared to factory cylinder heads while maintaining smooth engine operation.

Designed for Street, Tow, and Performance Builds

The Premium Stock Plus Cummins cylinder head offers the perfect balance of factory reliability and performance-oriented upgrades. It is well suited for trucks that are used for:

  • Heavy towing and hauling
  • Daily driving diesel trucks
  • Engine rebuilds and restorations
  • Mild to moderate performance upgrades

The upgraded design helps ensure your 5.9L Cummins engine can withstand demanding operating conditions while maintaining dependable power and efficiency.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 11512102890

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M
Carnegie, US
★★★★★ 5
Old school denim — not stretchy
Fit Type: Regular, Size: X-Small, Color: Authentic Medium Wash
Fabric used is old school denim — not the thin, stretchy stuff that pretty much everything called “denim” is today. It is 99% cotton (20% of which is recycled cotton) and 1% elastane, but I can’t feel any stretch in the fabric. It is a substantial, non-stretchy denim that gives the jacket really good structure. It has a higher end fit and look than the price would suggest. I wanted a more fitted denim jacket so ordered an XS even though according to the size chart I need a small. (I have a 34.5” bust, 28” waist at 118 pounds 5’4”.) It still buttons over a t shirt or lightweight sweater with freedom for movement/without being tight, but if I wanted a roomy fit or the ability to wear a heavier sweater or sweatshirt underneath and still be able to comfortably button it I would have needed a small. The shoulders are cut broad — I have very broad shoulders and the XS surprisingly fits my shoulders well. This jacket may not be the greatest fit for you if you have very narrow shoulders, unless you are going for an oversized look.
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Reviewed in the United States on May 17, 2026
C
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Carrie
San Leandro, US
★★★★★ 5
made well
Fit Type: Regular, Size: Large, Color: Iced Light Wash
I couldn't get this in my size (medium) so I ordered large. it's a little large in the shoulders, but it still looks good. it is a well made, substantial jacket. I love it!
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Reviewed in the United States on June 12, 2026
J
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JBirdsong
Charlottesville, US
★★★★★ 5
Lovely fabric
Size: X-Large, Color: Black Ivory Geometric
Very nice dress that can be dressy or casual Substantial fabric that’s not see through and doesn’t wrinkle Great value Fit is flattering I know it good when my husband notices and says it’s nice! Update … I liked the dress so much I ordered 2 more in different colors Only caveat is the pink floral one is actually red The background is definitely not pink
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Reviewed in the United States on May 8, 2026
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MJJ
Fort Morgan, US
★★★★★ 5
Beautiful colorful dress
Size: XX-Large, Color: Hot Pink Leafy Floral Ditsy
This dress has beautiful, heavy fabric so it falls nicely but still has nice stretch. It is lightweight and comfortable. I’m 5’3” and it falls about mid-calf on me. I would definitely recommend this dress to others. I believe it fits true to size.
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Reviewed in the United States on May 19, 2026
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cdauno
Natrona Heights, US
★★★★★ 5
Simply Lovely and Versatile
Size: Large, Color: Navy
I bought this in navy for a family photo shoot. It's good quality, travels well (medium weight; no wrinkles) and works in all but really hot weather. I also wore it as a duster a few days later. As a result, I returned to purchase the emerald green.
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Reviewed in the United States on May 24, 2026

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