ARP 01-10 6.6L GM Duramax Diesel Head Stud Kit

SKU: 230-4201 | UPC: 672036032678

ARP 2001-2010 6.6L GM Duramax Diesel Head Stud Kit

ARP 230-4201 Head Stud Kit upgrades 2001-2010 GM 6.6L Duramax LB7 LLY LBZ LMM engines in Chevy Silverado GMC Sierra and vans with stronger fasteners than stock bolts. Stud design delivers even clamping pressure to prevent head gasket failure under boost and heat. Built for daily drivers and modified trucks this kit ensures reliable sealing and torque retention.

Key Features

• ARP2000 Alloy Material: Forged steel construction resists fatigue and maintains clamp load over 200000 psi tensile strength
• Stud Configuration: Minimizes rotational wear on block threads for accurate repeatable torque values
• Precision Rolled Threads: Increases thread engagement by 30 percent over cut threads for secure hold
• 12-Point Nuts: Hardened steel nuts with wide base distribute load evenly during high torque
• Complete Kit: Includes studs washers nuts and instructions for both cylinder heads

Product Notes

• Requires thread cleaning in block and head for proper installation
• Lubricate with ARP Ultra-Torque fastener lubricant only
• Securely packaged to prevent damage during transit

Installation Notes

• Professional installation recommended.
• Torque to ARP specs 85 ft-lbs hot in sequence after initial 500 miles
• Compatible with OEM or aftermarket head gaskets and MLS designs

This Part Fits

Year	Make	Model	Submodel
2001-2005	Chevrolet	Silverado 2500 HD	Base LS LT
2001-2006	Chevrolet	Silverado 2500 HD	WT SLE SLT
2001-2013	Chevrolet	Silverado 2500 HD	LT LTZ
2004-2013	Chevrolet	Silverado 2500 HD	WT
2001-2005	Chevrolet	Silverado 3500	Base
2001-2006	Chevrolet	Silverado 3500	LS LT WT
2007-2010	Chevrolet	Silverado 3500 HD	LT LTZ WT
2001-2013	GMC	Sierra 2500 HD	SLE SLT WT Base Denali
2002-2006	GMC	Sierra 3500	Base SL SLE SLT WT
2007-2010	GMC	Sierra 3500 HD	SLE SLT WT Denali
2006-2010	Chevrolet	Express 2500	Base LS LT
2006-2010	Chevrolet	Express 3500	Base LS LT
2006-2010	GMC	Savana 2500	Base
2006-2010	GMC	Savana 3500	Base

Why Choose ARP?

• Proven in NHRA IHRA and diesel competitions for decades
• Manufactured in USA with aerospace-grade processes
• Engineered for extreme cylinder pressures in turbo diesel applications

Frequently Asked Questions

• Q: Does this kit fit 2004.5-2005 LLY Duramax Silverado 2500HD?
  A: Yes ARP 230-4201 covers all 2001-2010 6.6L Duramax including LB7 LLY LBZ LMM in Chevy trucks and GMC Sierras with diesel engine.
• Q: What material are the studs made from?
  A: ARP2000 proprietary alloy with tensile strength over 200000 psi and cryogenic treatment for durability.
• Q: What is the ARP warranty policy?
  A: Lifetime warranty against manufacturer defects when installed and torqued per ARP instructions.

Shipping & Handling

• Method: UPS Ground or FedEx
• Availability: In stock – ships same or next business day
• Packaging: Protective foam-lined box 12 x 10 x 3 inches
• Weight: 5.1 lbs