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- USA
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22
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Description
2001-2004 GM HD Cast Iron Cylinder Head (One) LB7 (110100101)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 LB7 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 LB7 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, and heat and creep resistance, which prolongs the cylinder head's lifespan significantly.
PPE Cylinder Heads also share the same heat expansion rate as the stock cast-iron cylinder block no more blown head gaskets. PPE LB7 Cylinder Heads also feature cast-in fuel injector cups and solve the OEM injector cup leaking issue.
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.
Duramax Iron Heads Upgrade: Diesel World
Unboxing PPEs new Duramax cylinder heads!: LinCo Diesel Performance
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
- Cast-in fuel injector cups, no more fuel injector cup leaks
- 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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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