SKU: 93588469992

2004.5-2010 GM HD Cast Iron Cylinder Head (One) LLY/LBZ/LMM (110100103)

Sale price$607.50 Regular price$675.00
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

2004.5-2010 GM HD Cast Iron Cylinder Head (One) LLY/LBZ/LMM (110100103)Description 50 States Emissions Legal (E. O. D 701 38). The OEM Duramax cast aluminum cylinder heads fall short over time the different heat expansion rates between cast iron engine block and cast aluminum cylinder head cause head gasket scrubbing, and eventually blown head gaskets. The aluminum cylinder heads are also prone to warping, melting, and or cracking in high performance applications where excessive heat is introduced. PPE's new Cast Iron

Description

50 States Emissions Legal (E.O. D-701-38). The OEM Duramax cast-aluminum cylinder heads fall short over time - the different heat expansion rates between cast-iron engine block and cast-aluminum cylinder head cause head gasket scrubbing, and eventually blown head gaskets. The aluminum cylinder heads are also prone to warping, melting, and/or cracking in high-performance applications where excessive heat is introduced.

PPE's new Cast Iron Cylinder Head is the ultimate upgrade to your Duramax engine and eliminates any head gasket or cracking concerns. Cast from high-quality alloyed gray iron, the PPE Cylinder Head offers elevated fatigue strength, heat, and creep resistance, which prolongs the cylinder head's lifespan significantly. PPE Cylinder Head also shares the same heat expansion rate as the stock cast-iron cylinder block no more blown head gaskets.

Each head comes complete with upgraded valve train components. All valves are made of superior materials and fully nitridated. The tapered valve springs' higher spring rate and lighter retainers/locators enable faster response during higher RPMs and eliminate valve float. Powder metal valve seats provide superior wear and heat resistance. The denser and stiffer material properties from the cast-iron construction also significantly reduce engine clatter.

Whether you have a damaged aluminum cylinder head or a desire for better reliability and longevity on your Duramax engine, the PPE Cast Iron Cylinder Head is undoubtedly the best choice.

Features
  • Specially alloyed gray cast iron liquid-cooled cylinder head
  • Superior heat resistance and creep resistance
  • Eliminates head gasket scrubbing issue (blown head gasket)
  • Better thermal efficiency and fuel efficiency than factory aluminum heads
  • Higher fatigue strength and heat resistance
  • Premium 21-4N, Stellite-reinforced exhaust valves
  • Fully nitridated intake and exhaust valves for better abrasion resistance
  • Case-hardened chromoly spring retainers/locators
  • Upgraded springs for better responsiveness
  • Ready to install - comes with installed valves/springs, rocker arm dowels, and freeze plugs
Notes
  • Requires the use of LBZ/LMM glow plugs on LLY engines.
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: 93588469992

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Dee
Louisville, US
★★★★★ 5
Nice fit
Size: Medium, Color: Black
Its good i like it
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Reviewed in the United States on May 24, 2026
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Cliente de Amazon
Cuba, US
★★★★★ 5
Buena calidad
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Buena calidad
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Reviewed in the United States on May 30, 2026
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Cody Northup
Carnegie, US
★★★★★ 4
Runs large
Size: Large, Color: White
Runs much larger than I expected. I am 5’4”& 136 pounds. Usually wear a medium or large in some knit tops. So I need to stitch the side seams in hopes it will fit better. I like the weight and softness of the fabric, but really disappointed in the too large armholes. Unwearable for me until I can sew new side seams.
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Reviewed in the United States on February 11, 2026
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Shopper
Massapequa, US
★★★★★ 5
Versatility simple top
Size: X-Large, Color: White
Comfortable and well made top. Simple but versatile dress it up or casual, this top is a basic much needed wardrobe addition.
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Reviewed in the United States on February 11, 2026
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Hart Smith
Lake Worth, US
★★★★★ 5
Great looking Cotton tank
Size: Small, Color: White
Love this tshirt. Have worn but not washed yet. So will add when I know if it shrinks
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