L5P Top End Head Gasket Kit with ARP 2000 Series Head Studs
Fits 2017-2023 GM Duramax with L5P Duramax Diesel Engines
Upgrade your GM L5P Duramax diesel with NorCal Diesel Performance’s complete Head Gasket Kit, engineered for 2017–202 6.6L Duramax engines. This kit combines trusted components for maximum durability and performance, making it the ideal choice for both repairs and high-performance builds.
Kit Includes:
1 Mahle HS55522 Head Gasket Set (comprehensive top-end gasket kit)
2 Elring 429.143 Grade C Head Gaskets (OE-grade, superior sealing)
1 ARP 230-4301 2000 Series Head Stud Kit (industry-leading clamping force)
Enhance your installation and long-term reliability with these highly recommended add-ons, all available from NorCal Diesel Performance:
Fleece Performance Freedom Series Driver Side Cylinder Head (FPE-61-10014-D)
Brand new, fully assembled cylinder head for the driver side. Features improved casting, cupless injector bore, and is ready for installation—no core charge required.
Fleece Performance Freedom Series Passenger Side Cylinder Head (FPE-61-10014-P)
Brand new, fully assembled cylinder head for the passenger side. Designed for maximum durability and leak-free operation, with cupless injector bore and no core charge.
DMAX-0257 L5P/L5D Water Pump
Direct-fit replacement for 2017–2023 GM L5P and L5D Duramax 6.6L engines. Built for OEM reliability and performance, ensuring proper coolant flow and long-term durability.
Mishimoto Performance Aluminum Radiator (2017–2019 L5P Duramax)
All-aluminum construction with TIG-welded end tanks and a brazed aluminum core for increased strength and heat dissipation. This direct-fit upgrade provides superior cooling capacity and durability over stock radiators, making it ideal for heavy-duty and performance applications
Justice Brothers Engine Oil Supplement (OTC-6)
Reduces friction, prevents oil thickening, and extends engine life for optimal performance.
Justice Brothers Super Radiator Cooler (RC-22P)
Lowers coolant temps, prevents corrosion and build-up, and is compatible with all coolant types for enhanced cooling system protection.
Why Choose NorCal Diesel Performance?
Our kit features industry-leading brands—Mahle, Elring, and ARP—ensuring OE-level quality and reliability. Pair it with our recommended add-ons to complete your top-end rebuild with confidence. Shop now at norcaldieselperformance.com and keep your Duramax running strong, mile after mile.
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