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ARP Custom Age 625+ Head Stud Kit - 2001-2016 GM 6.6L Duramax
Product details
ARP Custom Age 625+ Head Stud Kit - 2001-2016 GM 6.6L Duramax
ARP part 230-4202 is a high-strength head-stud kit for 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM. It replaces factory head bolts with reusable-style studs and matching nuts/washers to improve cylinder-head clamping consistency in stock and performance engine builds.
Fastener strength alone does not determine final clamp load; thread preparation, lubricant, torque method and installation sequence must follow the instructions for the exact ARP kit.
Key Features
- High-strength ARP stud construction
- Improved cylinder-head clamping consistency
- Application-specific stud lengths and hardware
- Performance engine sealing upgrade
- Matched nuts and washers supplied with the kit
Fitment
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM
Important Installation Notes
- Follow ARP's current torque value, lubricant specification and tightening sequence for this exact kit.
- Confirm engine and fastener location before ordering.
Product Information
- Manufacturer: ARP
- Manufacturer Part #: 230-4202
- Product Type: Head Stud Kit
- Catalog detail: ARP Custom Age 625+ Head Stud Kit Fitment: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM. Part #: 230-4202 Premium 625+ head studs rated at approximately 260,000 PSI tensile strength.
How do I verify fitment?
Match the product fitment information to your exact year, make, model, engine, drivetrain and configuration. If anything is unclear, email sales@hilltopdieselperformance.com before ordering.
Where can I find shipping and return information?
Policy links are available in the site footer and checkout. Product-specific restrictions or core requirements are shown in the product description when applicable.
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